Decimals

Problem 401

Round $6.24159$ to two decimal places.

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Problem 402

Bob spent \$19.83 and Sally \$24.76 on lunches. What was their total spending?

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Problem 403

Calvin sells large paintings for \$ 56.25 and small ones for \$ 34.89. How much does he make selling one of each?

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Problem 404

Mia has 5.5 pints and needs to convert it to liters using the conversion rate of 0.4732 liters per pint. What is the result?

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Problem 405

Find the result of dividing 0.03 by 10: $0.03 \div 10 =$

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Problem 406

Calculate $0.008 \times 100$ .

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Problem 407

Calculate $0.03 \times 1,000$ .

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Problem 408

Fill in the chart showing powers of ten division with 9 in 'Ones' and 0 in 'Tenths', 'Hundredths', 'Thousandths'.
Ones: 9, Tenths: 0, Hundredths: 0, Thousandths: 0.

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Problem 409

Explain how multiplying by a power of 10 shifts the decimal point, and compare this with division.

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Problem 410

Calculate the heat lost when a 0.60 Kg copper piece cools from 376°C to 26°C. (Specific heat: 385 J/Kg·°C)

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Problem 411

Calculate the product: $8.9 \times 0.068=$

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Problem 412

Find the numbers one-tenth less and more for 3 and 4: (3.) $2.8 \equiv$ (4.) $2.1 \equiv$

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Problem 413

Find the numbers that are 0.01 less and 0.01 more for 2.33 and 2.10.

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Problem 414

Find the values for: 1) $3.59 - 0.01$ and 2) $5.64 + 0.1$ .

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Problem 415

List the numbers in ascending order: 6.25, 4.23, 6.2, 3.33, 4.3, 3.43, 5.8, 4.99, 5.3.

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Problem 416

Lupe has 7.2L and 0.92L of water in two fishbowls. How to compare their amounts? Marta freezes $\frac{3}{4}$ of 24 cups of grapes. How many cups?

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Problem 417

Estimate $391 \times 22$ and explain your method. Also, calculate total costs for items: \$3.47, \$1.99, \$0.25, \$5.

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Problem 418

Estimate the total cost of items priced at \$3.47, \$1.99, \$0.25, \$5.69, \$3.04, and \$12.49 without calculating exactly.

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Problem 419

Calculate the product of 28.4 and 7.7: $28.4 \times 7.7$ .

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Problem 420

Miguel has a \$50 gift card. He wants to buy 3 books at \$15.75 each. Is his estimate of needing \$60 reasonable?

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Problem 421

Estimate if $22.8 \times 4.7 = 107.16$ is reasonable. Respond with yes or no, and give a better estimate if no.

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Problem 422

Calculate $43.8 \times 2.8 \times 3.1$ and verify if it equals $371.8$ .

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Problem 423

Estimate if the answers are reasonable. Write "yes" or "no" with a reasonable estimate.
21. $22.8 \times 4.7=107.16$
22. $2.1 \times 4.9$
23. $7.8 \times 1.1 \times 4.2=50$

See Solution

Problem 424

Estimate if $2.1 \times 4.9 \times 7.2 \approx 105.84$ is reasonable. Answer yes or no, with a better estimate if no.

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Problem 425

Estimate if the answer $21.22 .8 \times 4.7=107.16=115 \times \frac{1}{23}$ is reasonable. Answer yes or no with a better estimate.

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Problem 426

Estimate if $22.8 \times 4.7 = 107.16$ is reasonable. If not, state no and provide a reasonable estimate.

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Problem 427

Estimate if the following products are reasonable: $22.8 \times 4.7$ and $2.1 \times 4.9 \times 7.2$ . Write yes or no with an estimate.

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Problem 428

Estimate if these answers are reasonable: $7.8 \times 1.1 \times 4.2=50$ and $43.8 \times 2.8 \times 3.1=371.8$ .

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Problem 429

Estimate if the answer is reasonable: $0.8 \times 1.1 \times 4.2 = 50$ . Write yes or no with a better estimate if no.

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Problem 430

Miguel thinks $\$ 47.25$ is less than $\$ 50$ . Estimate $43.8 \times 2.8 \times 3.1$ and say if $371.8$ is reasonable.

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Problem 431

Add or subtract the following decimals:
11. $4,235.09 + 3,378.4 =$
12. $476.03 - 302.3 =$
13. $749.2 + 121.55 =$
14. $8,949.31 - 1,683.06 =$
15. $620.87 + 439.1 =$

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Problem 432

Calculate the following sums and differences:
11. $4,235.09 + 3,378.4 =$
12. $476.03 - 302.3 =$
13. $749.2 + 121.55 =$
14. $8,949.31 - 1,683.06 =$
15. $620.87 + 439.1 =$

See Solution

Problem 433

Calculate the following decimal subtractions:
1. $530.6 - 207.05 =$
2. $5,008.7 - 491.2 =$
3. $7,095.53 - 1,732.9 =$
4. $1,012.34 - 982.12 =$
5. $940.8 - 893.19 =$

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Problem 434

Calculate the product of $(72.16 - 9.44)$ and $45.6$ . What is the result?

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Problem 435

Skriv tallene som decimaltal gange en ti'er potens: a) $5.600.000=$ b) $27.000.000=$ c) $0,000005=$ d) $0,0045=$ e) $3.000.000.000=$ f) $0,023=$

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Problem 436

Convert the repeating decimals to simplest form:
1. $-0.\overline{18}=$
2. $4.\overline{45}=$

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Problem 437

Which decimal is closest in value to the fraction below? $\frac{1}{9}$ A. 0.7 B. 0.111 C. . 33333

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Problem 438

Find $7.9 \div 2$
How many times does 2 go into 7 ?
7 $\square$ times, with a remainder of ? $\square$

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Problem 439

3. Study the number shown with a digit missing. 7.8 $\qquad$ 4 $7.8-4$
Which digit could fill in the blank to make the number round to 7.85 when rounded to the nearest hundredth? (5.NBT.A.4) A. 2 (B) 3 C. 4 D. 5

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Problem 440

Find the quotient and enter your answer in the space provided. $0.7836 \div 0.12=?$
Answer here

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Problem 441

$\begin{array}{l}20 \times 0.1= \\ 2.0 \times 0.1= \\ 2.0 \times 0.01=\end{array}$

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Problem 442

Name: Chestive St cooqs Date $\square$ 2 12 12 24
1. Three friends went out to lunch together. Ben got a meal that cost $\$ 7.25$ , Frank got a meal that cost $\$ 8.16$ , and Herman got a meal that cost $\$ 5.44$ . If they split the cheok evenily, how much did they each pay for tunch? (Assume no tax) (1) $\$ 6.95$ ( $\$ 7.75$ (Q) $\$ 7.15$ (2) $\$ 6.55$
2. Which of these is the standard form of twenty and sixty-three thousandths? (2) 20.63000 (8) 20.0063 (C) 20.63 (2) 20.063
3. Mr. Zlto bought a bicycle for $\$ 160$ . He spent $\$ 12.50$ on repair charges. If he sold the same bicycle for $\$ 215$ , what would his profit be on the investment? (2) $\$ 147.50$ () $\$ 42.50$ (ब) $\$ 67.50$ (2) $\$ 55.00$
4. A certain book is sold in a paperback version for $\$ 4.75$ or in a hardcover version for \ $11.50. If a copy of the book is being purchased for each of the twenty students in Mrs. Jackson's class, how much money altogether would be saved by buying the paperback version, as opposed to the hardcover version? (A)$ \ $155.00$ (3) $\$ 135.00$ (c) $\$ 115.00$ (1) $\$ 145.00$

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Problem 443

Write $-44 \frac{1}{20}$ as a decimal number. $\square$

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Problem 444

6. Which of these sets contains all equivalent numbers? (4) $\left\{0.75 \frac{3}{4}, 75 \%, \frac{8}{12}\right\}$ (8) $\left\{0.100, \frac{5}{50}, 15 \%, 0.010\right\}$ (C) $\left\{\frac{3}{8,} \quad 0.35, \frac{35}{100}\right\}$ (1) $\left\{\frac{9}{25}, 0.360, \frac{18}{50}\right\}$
6. Brian is mowing his lawn. He and his family have 7.84 acres. Brian mows 1.29 acres or Monday, 0.85 acres on Tuesday, and 3.63 acres on Thursday. How many acres does Briar have left to mow? (A) 2.70 (B) 20.7 (c) 2.07 (D) 0.207
7. Hector is planting his garden. He makes it 5.8 feet wide and 17.2 feet long. What is the area of Hector's garden? (4) 9.976 square feet (B) 99.76 square feet (C) 99.76 feet (D) 997.6 square feet
8. Chris and 2 of his friends go apple picking. Together they pick a bushel of apples that weighs 28.2 pounds. If Chris and his friends split the bushel of apples evenly among them selves, how many pounds of apples will each person take home? (A) 9.4 pounds (B) 0.94 pounds (C) 94 pounds (D) 0.094 pounds

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Problem 445

Name: Date:
9. Joann and John are hiking over a three-day weekend. They have a total of 67.8 miles that they are planning on hiking. On Friday, they hike half of the miles. On Saturday, they hike another 20 miles. How many miles do they have left to hike on Sunday? (A) 1.39 miles (B) 31.9 miles (C) $\mathbf{1 3 . 9}$ miles (D) 139 miles
10. Margaret, Justin, and Leigh are babysitting for the neighbor's children during the summer. Each week they make a total of $\$ 72.00$ , and they split the money evenly. At the end of 4 weeks, how much money did Justin make? (A) $\$ 130.00$ (B) $\$ 144.00$ (C) $\$ 72.00$ (D) $\$ 96.00$

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Problem 446

Evaluate. $10^{-8}$

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Problem 447

Compare the decimals using less than, and equal symbol

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Problem 448

\text{Predict your monthly cost if you drive } 1000 \, \text{km/month, then for } 2000 \, \text{km/month.} \\ \text{Given:} \\ \text{Cost of fuel per kilometer driven: } \$0.12 \, \text{per km} \\ \text{Calculate the monthly cost for:} \\
1. \, 1000 \, \text{km/month} \\
2. \, 2000 \, \text{km/month} \\

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Problem 449

What equation does the model represent A. $60 \times 60=360$ B. $0.6 \times 0.6=3.60$ C. $0.06 \times 0.06=0.36$ D. $0.6 \times 0.6=0.36$

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Problem 450

4) Jayda's English teacher ordered 85 ) books that cost \ $14. Instead of the usual \$2.50)shipping fee per book, Jayda's teacher was offered a$ \ $17.99$ fee for the entire order. How much did she save on shipping paying this single fee?

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Problem 451

Evaluate. Write your answer as a decimal or whole number. $(0.02)^{2}=$ $\square$ Submit

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Problem 452

$\sqrt{(-8) \cdot 0,65}=$

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Problem 453

Question 1: (Standard 6 PAR. 6.1 $)$ Which expression is equivalent to the following: $0.7 \times 0.7 \times 0.7 \times 0.7 \times 0.7$ A) $(0.7)^{5}$ B) $(5)^{0.7}$ C) $0.7^{2}+0.7^{3}$ D) $0.7 \times 5$

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Problem 454

A bakery ordered 3.54 pounds of brown sugar. The next week, the bakery used 3.29 pound of it baking cakes. How much brown sugar does the bakery have left? $\square$ pounds Submit

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Problem 455

$4 \frac{1}{4}(-13.5)$

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Problem 456

Fill in the missing digit and the missing number to complete the partition. Write down the numbers that should appear in boxes $A$ and $B$ . $\underbrace{48.2 \_4}_{A}=40+8+0.2+0.06+\underbrace{\square}_{B}$

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Problem 457

Divide. Give the exact answer, written as a decimal. $3.12 \div 5=$ Submit

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Problem 458

Divide. Give the exact answer, written as a decimal.
Submit

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Problem 459

Divide. Round your answer to the nearest tenth. $99,835.1 \div 3=$ $\square$ Submit

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Problem 460

order these numbers from least to grealest. $7.211,7 \frac{1}{3}, \frac{29}{4}, 7.24$

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Problem 461

You contract with a carpenter to create new bookshelfs for your living room. Her bill is $\$ 1,8002 / 10$ net 30 . Find the amount needed to pay the bill with the discount included. $\$[?]$

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Problem 462

Write the percent as a decimal. $91 \%=0.91$

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Problem 463

Convert 3.7 hours to seconds. 3.7 hours = $\square$ seconds (Type an integer or a decimal.)

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Problem 464

Calculate the difference $(8.34 \times 10^{6}) - (5.12 \times 10^{5})$ and express your answer in scientific notation.

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Problem 465

Write 52.071 in expanded form using exponents.

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Problem 466

Find the two numbers closest in value from $3.01, 4.57, 6.02$ , and $7.75$ . Choices: (A) (B) (C) (D) (E).

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Problem 467

Multiply 3.135 by 789.

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Problem 468

Calculate the product of 0.92 and 1.5. What is $0.92 \times 1.5$ ?

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Problem 469

Multiply 4.18 by 37. What is the result?

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Problem 470

A chemist adds $2.30040 \times 10^{6} \mathrm{~mL}$ and $7,345.6 \mathrm{~mL}$ . What is the correct total volume? a. 2,307,745.6 mL b. $2,307,750 \mathrm{~mL}$ c. $2,307,700 \mathrm{~mL}$ d. None of the above

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Problem 471

Find the midpoint of rainfall between 1.7 cm and 6.9 cm.

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Problem 472

Convert $9.3 \mathrm{~h}$ to seconds.

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Problem 473

Graph the opposites of the following numbers on a number line and label each point: 15. -3.25, 16. 0.25, 17. -1.5.

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Problem 474

Multiply the following: (Examples 1-5) 1.2 × 7 = 8.4

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Problem 475

What number do you divide 3.21 by to get 7?

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Problem 476

Find the total gas cost for 12, 17, and 15 gallons at prices of \$4.89, \$4.72, and \$5.09. Also, calculate change from \$15 after buying 14 folders at \$0.75 each.

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Problem 477

What is \$ 45.19 rounded to the nearest dollar?

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Problem 478

Divide 187.2 by 8: $187.2 \div 8$

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Problem 479

Convert each decimal to a fraction and each fraction to a decimal. Examples: $0.0099 = \frac{9}{1,000}$ ; $\frac{8}{1,000} = 0.008$ .

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Problem 480

What is the sum of 74.835 and \$2.67?

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Problem 481

Round 32.697 to the nearest $0.1$ , $0.01$ , and $1$ .

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Problem 482

Round 141.999 to the nearest tenth, hundredth, ten, and hundred: $141.999 \approx 142.0$ , $141.999 \approx 141.99$ , $141.999 \approx 140$ , $141.999 \approx 100$ .

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Problem 483

Calculate the sums of the following decimal additions:
1. $239.9 + 48.2 =$
2. $3,094 + 734.78 =$
3. $2,981.3 + 2,632.04 =$
4. $3.94 + 734.78 =$
5. $47.05 + 38 =$

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Problem 484

Convert $212.61 \mathrm{~K}$ to Celsius ( ${ }^{\circ} \mathrm{C}$ ).

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Problem 485

Calculate $-0.3^{2} \times\left(\frac{4.5}{-2.7}\right)-0.65$ .

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Problem 486

Convert $0.25 \mathrm{~km}$ to metres. How many metres is that?

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Problem 487

How many meters are in $0.25 \mathrm{~km}$ ? Compare $4300 \mathrm{~mm}$ and $4.5 \mathrm{~m}$ . Calculate $5 \text{ Revolution} \div \text{ Right angle}$ .

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Problem 488

Convert $\frac{1}{6}$ to decimal form up to the hundredths place and express any remainder as a fraction.

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Problem 489

Anna babysits 4 Saturdays earning \$10.75 each. What is her total earnings for all 4 Saturdays?

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Problem 490

Divide 60.1 by 4 using long division.

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Problem 491

Find the smallest value among: $6 \frac{1}{5}$ , $\frac{59}{8}$ , $6.1$ , and $7$ .

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Problem 492

Convert $8 \frac{4}{5}$ into a decimal.

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Problem 493

Convert the mixed number $2 \frac{1}{5}$ into a decimal.

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Problem 494

Convert $9 \frac{1}{100}$ to its decimal form.

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Problem 495

Convert $9 \frac{71}{100}$ into a decimal.

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Problem 496

Convert the mixed number $4 \frac{2}{5}$ to a decimal.

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Problem 497

A giraffe runs at 46.93 ft/s. How far does it run in 1.8 seconds? Show your work.

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Problem 498

Calculate the product: $0.4 \times 3.7=$

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Problem 499

Mr. Bonilla bought 3.75 pounds of pears at \$0.92/lb and 2.1 pounds of apples at \$1.10/lb. What is the total cost?

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Problem 500

Multiply 11.361 by 14.7. What is the result?

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1 2 3 4 5 6 7 8 ...17

Decimals

Problem 401

Round 6.241596.241596.24159 to two decimal places.

Problem 402

Bob spent \$19.83 and Sally \$24.76 on lunches. What was their total spending?

Problem 403

Calvin sells large paintings for \$ 56.25 and small ones for \$ 34.89. How much does he make selling one of each?

Problem 404

Mia has 5.5 pints and needs to convert it to liters using the conversion rate of 0.4732 liters per pint. What is the result?

Problem 405

Find the result of dividing 0.03 by 10: 0.03÷10=0.03 \div 10 =0.03÷10=

Problem 406

Calculate 0.008×1000.008 \times 1000.008×100.

Problem 407

Calculate 0.03×1,0000.03 \times 1,0000.03×1,000.

Problem 408

Fill in the chart showing powers of ten division with 9 in 'Ones' and 0 in 'Tenths', 'Hundredths', 'Thousandths'. Ones: 9, Tenths: 0, Hundredths: 0, Thousandths: 0.

Problem 409

Explain how multiplying by a power of 10 shifts the decimal point, and compare this with division.

Problem 410

Calculate the heat lost when a 0.60 Kg copper piece cools from 376°C to 26°C. (Specific heat: 385 J/Kg·°C)

Problem 411

Calculate the product: 8.9×0.068=8.9 \times 0.068=8.9×0.068=

Problem 412

Find the numbers one-tenth less and more for 3 and 4: (3.) 2.8≡2.8 \equiv2.8≡ (4.) 2.1≡2.1 \equiv2.1≡

Problem 413

Find the numbers that are 0.01 less and 0.01 more for 2.33 and 2.10.

Problem 414

Find the values for: 1) 3.59−0.013.59 - 0.013.59−0.01 and 2) 5.64+0.15.64 + 0.15.64+0.1.

Problem 415

List the numbers in ascending order: 6.25, 4.23, 6.2, 3.33, 4.3, 3.43, 5.8, 4.99, 5.3.

Problem 416

Lupe has 7.2L and 0.92L of water in two fishbowls. How to compare their amounts? Marta freezes 34\frac{3}{4}43​ of 24 cups of grapes. How many cups?

Problem 417

Estimate 391×22391 \times 22391×22 and explain your method. Also, calculate total costs for items: \$3.47, \$1.99, \$0.25, \$5.

Problem 418

Estimate the total cost of items priced at \$3.47, \$1.99, \$0.25, \$5.69, \$3.04, and \$12.49 without calculating exactly.

Problem 419

Calculate the product of 28.4 and 7.7: 28.4×7.728.4 \times 7.728.4×7.7.

Problem 420

Miguel has a \$50 gift card. He wants to buy 3 books at \$15.75 each. Is his estimate of needing \$60 reasonable?

Problem 421

Estimate if 22.8×4.7=107.1622.8 \times 4.7 = 107.1622.8×4.7=107.16 is reasonable. Respond with yes or no, and give a better estimate if no.

Problem 422

Calculate 43.8×2.8×3.143.8 \times 2.8 \times 3.143.8×2.8×3.1 and verify if it equals 371.8371.8371.8.

Problem 423

Estimate if the answers are reasonable. Write "yes" or "no" with a reasonable estimate. 21. 22.8×4.7=107.1622.8 \times 4.7=107.1622.8×4.7=107.16 22. 2.1×4.92.1 \times 4.92.1×4.9 23. 7.8×1.1×4.2=507.8 \times 1.1 \times 4.2=507.8×1.1×4.2=50

Problem 424

Estimate if 2.1×4.9×7.2≈105.842.1 \times 4.9 \times 7.2 \approx 105.842.1×4.9×7.2≈105.84 is reasonable. Answer yes or no, with a better estimate if no.

Problem 425

Estimate if the answer 21.22.8×4.7=107.16=115×12321.22 .8 \times 4.7=107.16=115 \times \frac{1}{23}21.22.8×4.7=107.16=115×231​ is reasonable. Answer yes or no with a better estimate.

Problem 426

Estimate if 22.8×4.7=107.1622.8 \times 4.7 = 107.1622.8×4.7=107.16 is reasonable. If not, state no and provide a reasonable estimate.

Problem 427

Estimate if the following products are reasonable: 22.8×4.722.8 \times 4.722.8×4.7 and 2.1×4.9×7.22.1 \times 4.9 \times 7.22.1×4.9×7.2. Write yes or no with an estimate.

Problem 428

Estimate if these answers are reasonable: 7.8×1.1×4.2=507.8 \times 1.1 \times 4.2=507.8×1.1×4.2=50 and 43.8×2.8×3.1=371.843.8 \times 2.8 \times 3.1=371.843.8×2.8×3.1=371.8.

Problem 429

Estimate if the answer is reasonable: 0.8×1.1×4.2=500.8 \times 1.1 \times 4.2 = 500.8×1.1×4.2=50. Write yes or no with a better estimate if no.

Problem 430

Miguel thinks $47.25\$ 47.25$47.25 is less than $50\$ 50$50. Estimate 43.8×2.8×3.143.8 \times 2.8 \times 3.143.8×2.8×3.1 and say if 371.8371.8371.8 is reasonable.

Problem 431

Problem 432

Problem 433

Problem 434

Calculate the product of (72.16−9.44)(72.16 - 9.44)(72.16−9.44) and 45.645.645.6. What is the result?

Problem 435

Skriv tallene som decimaltal gange en ti'er potens: a) 5.600.000=5.600.000=5.600.000= b) 27.000.000=27.000.000=27.000.000= c) 0,000005=0,000005=0,000005= d) 0,0045=0,0045=0,0045= e) 3.000.000.000=3.000.000.000=3.000.000.000= f) 0,023=0,023=0,023=

Problem 436

Convert the repeating decimals to simplest form: 1. −0.18‾=-0.\overline{18}=−0.18= 2. 4.45‾=4.\overline{45}=4.45=

Problem 437

Which decimal is closest in value to the fraction below? 19\frac{1}{9}91​ A. 0.7 B. 0.111 C. . 33333

Problem 438

Find 7.9÷27.9 \div 27.9÷2How many times does 2 go into 7 ?7 □\square□ times, with a remainder of ? □\square□

Problem 439

3. Study the number shown with a digit missing. 7.8 \qquad 4 7.8−47.8-47.8−4Which digit could fill in the blank to make the number round to 7.85 when rounded to the nearest hundredth? (5.NBT.A.4) A. 2 (B) 3 C. 4 D. 5

Problem 440

Find the quotient and enter your answer in the space provided. 0.7836÷0.12=?0.7836 \div 0.12=?0.7836÷0.12=?Answer here

Problem 441

20×0.1=2.0×0.1=2.0×0.01=\begin{array}{l}20 \times 0.1= \\ 2.0 \times 0.1= \\ 2.0 \times 0.01=\end{array}20×0.1=2.0×0.1=2.0×0.01=​

Round $6.24159$ to two decimal places.

Find the result of dividing 0.03 by 10: $0.03 \div 10 =$

Calculate $0.008 \times 100$ .

Calculate $0.03 \times 1,000$ .

Fill in the chart showing powers of ten division with 9 in 'Ones' and 0 in 'Tenths', 'Hundredths', 'Thousandths'.
Ones: 9, Tenths: 0, Hundredths: 0, Thousandths: 0.

Calculate the product: $8.9 \times 0.068=$

Find the numbers one-tenth less and more for 3 and 4: (3.) $2.8 \equiv$ (4.) $2.1 \equiv$

Find the values for: 1) $3.59 - 0.01$ and 2) $5.64 + 0.1$ .

Lupe has 7.2L and 0.92L of water in two fishbowls. How to compare their amounts? Marta freezes $\frac{3}{4}$ of 24 cups of grapes. How many cups?

Estimate $391 \times 22$ and explain your method. Also, calculate total costs for items: \$3.47, \$1.99, \$0.25, \$5.

Calculate the product of 28.4 and 7.7: $28.4 \times 7.7$ .

Estimate if $22.8 \times 4.7 = 107.16$ is reasonable. Respond with yes or no, and give a better estimate if no.

Calculate $43.8 \times 2.8 \times 3.1$ and verify if it equals $371.8$ .

Estimate if the answers are reasonable. Write "yes" or "no" with a reasonable estimate.
21. $22.8 \times 4.7=107.16$
22. $2.1 \times 4.9$
23. $7.8 \times 1.1 \times 4.2=50$

Estimate if $2.1 \times 4.9 \times 7.2 \approx 105.84$ is reasonable. Answer yes or no, with a better estimate if no.

Estimate if the answer $21.22 .8 \times 4.7=107.16=115 \times \frac{1}{23}$ is reasonable. Answer yes or no with a better estimate.

Estimate if $22.8 \times 4.7 = 107.16$ is reasonable. If not, state no and provide a reasonable estimate.

Estimate if the following products are reasonable: $22.8 \times 4.7$ and $2.1 \times 4.9 \times 7.2$ . Write yes or no with an estimate.

Estimate if these answers are reasonable: $7.8 \times 1.1 \times 4.2=50$ and $43.8 \times 2.8 \times 3.1=371.8$ .

Estimate if the answer is reasonable: $0.8 \times 1.1 \times 4.2 = 50$ . Write yes or no with a better estimate if no.

Miguel thinks $\$ 47.25$ is less than $\$ 50$ . Estimate $43.8 \times 2.8 \times 3.1$ and say if $371.8$ is reasonable.

Calculate the product of $(72.16 - 9.44)$ and $45.6$ . What is the result?

Skriv tallene som decimaltal gange en ti'er potens: a) $5.600.000=$ b) $27.000.000=$ c) $0,000005=$ d) $0,0045=$ e) $3.000.000.000=$ f) $0,023=$

Convert the repeating decimals to simplest form:
1. $-0.\overline{18}=$
2. $4.\overline{45}=$

Which decimal is closest in value to the fraction below? $\frac{1}{9}$ A. 0.7 B. 0.111 C. . 33333

Find $7.9 \div 2$
How many times does 2 go into 7 ?
7 $\square$ times, with a remainder of ? $\square$

3. Study the number shown with a digit missing. 7.8 $\qquad$ 4 $7.8-4$
Which digit could fill in the blank to make the number round to 7.85 when rounded to the nearest hundredth? (5.NBT.A.4) A. 2 (B) 3 C. 4 D. 5

Find the quotient and enter your answer in the space provided. $0.7836 \div 0.12=?$
Answer here

$\begin{array}{l}20 \times 0.1= \\ 2.0 \times 0.1= \\ 2.0 \times 0.01=\end{array}$

Write $-44 \frac{1}{20}$ as a decimal number. $\square$

Evaluate. $10^{-8}$

What equation does the model represent A. $60 \times 60=360$ B. $0.6 \times 0.6=3.60$ C. $0.06 \times 0.06=0.36$ D. $0.6 \times 0.6=0.36$

Evaluate. Write your answer as a decimal or whole number. $(0.02)^{2}=$ $\square$ Submit

$\sqrt{(-8) \cdot 0,65}=$

Question 1: (Standard 6 PAR. 6.1 $)$ Which expression is equivalent to the following: $0.7 \times 0.7 \times 0.7 \times 0.7 \times 0.7$ A) $(0.7)^{5}$ B) $(5)^{0.7}$ C) $0.7^{2}+0.7^{3}$ D) $0.7 \times 5$

A bakery ordered 3.54 pounds of brown sugar. The next week, the bakery used 3.29 pound of it baking cakes. How much brown sugar does the bakery have left? $\square$ pounds Submit

$4 \frac{1}{4}(-13.5)$

Fill in the missing digit and the missing number to complete the partition. Write down the numbers that should appear in boxes $A$ and $B$ . $\underbrace{48.2 \_4}_{A}=40+8+0.2+0.06+\underbrace{\square}_{B}$

Divide. Give the exact answer, written as a decimal. $3.12 \div 5=$ Submit

Divide. Give the exact answer, written as a decimal.
Submit

Divide. Round your answer to the nearest tenth. $99,835.1 \div 3=$ $\square$ Submit

order these numbers from least to grealest. $7.211,7 \frac{1}{3}, \frac{29}{4}, 7.24$

You contract with a carpenter to create new bookshelfs for your living room. Her bill is $\$ 1,8002 / 10$ net 30 . Find the amount needed to pay the bill with the discount included. $\$[?]$

Write the percent as a decimal. $91 \%=0.91$

Convert 3.7 hours to seconds. 3.7 hours = $\square$ seconds (Type an integer or a decimal.)

Calculate the difference $(8.34 \times 10^{6}) - (5.12 \times 10^{5})$ and express your answer in scientific notation.

Find the two numbers closest in value from $3.01, 4.57, 6.02$ , and $7.75$ . Choices: (A) (B) (C) (D) (E).

Calculate the product of 0.92 and 1.5. What is $0.92 \times 1.5$ ?

A chemist adds $2.30040 \times 10^{6} \mathrm{~mL}$ and $7,345.6 \mathrm{~mL}$ . What is the correct total volume? a. 2,307,745.6 mL b. $2,307,750 \mathrm{~mL}$ c. $2,307,700 \mathrm{~mL}$ d. None of the above

Convert $9.3 \mathrm{~h}$ to seconds.