QuestionEstimate 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. $7.8 \times 1.1 \times 4.2=50$

Studdy Solution

STEP 1

Question: Which of the following is the closest estimation for 22.8 and 4.7 to the nearest whole number?
A) 22 and 5 B) 23 and 5 C) 23 and 4 D) 22 and 4
Answer: B) 23 and 5

STEP 2

Question: What is the product of the numbers 23 and 5?
A) 115 B) 105 C) 110 D) 120
Answer: A) 115

STEP 3

Question: Is the given answer 107.16 for 22.8 times 4.7 reasonable when compared to the estimated product 115?
A) Yes B) No C) Can't say D) Need more information
Answer: A) Yes

STEP 4

Question: Which of the following is the closest estimation for 2.1 and 4.9 to the nearest whole number?
A) 2 and 5 B) 3 and 5 C) 2 and 4 D) 3 and 4
Answer: A) 2 and 5

STEP 5

Question: Is the given answer 50 for 7.8 times 1.1 times 4.2 reasonable when compared to the estimated product 32?
A) Yes B) No C) Can't say D) Need more information
Answer: B) No

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QuestionEstimate 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. $7.8 \times 1.1 \times 4.2=50$

Studdy Solution

STEP 1

Question: Which of the following is the closest estimation for 22.8 and 4.7 to the nearest whole number?
A) 22 and 5 B) 23 and 5 C) 23 and 4 D) 22 and 4
Answer: B) 23 and 5

STEP 2

Question: What is the product of the numbers 23 and 5?
A) 115 B) 105 C) 110 D) 120
Answer: A) 115

STEP 3

Question: Is the given answer 107.16 for 22.8 times 4.7 reasonable when compared to the estimated product 115?
A) Yes B) No C) Can't say D) Need more information
Answer: A) Yes

STEP 4

Question: Which of the following is the closest estimation for 2.1 and 4.9 to the nearest whole number?
A) 2 and 5 B) 3 and 5 C) 2 and 4 D) 3 and 4
Answer: A) 2 and 5

STEP 5

Question: Is the given answer 50 for 7.8 times 1.1 times 4.2 reasonable when compared to the estimated product 32?
A) Yes B) No C) Can't say D) Need more information
Answer: B) No

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QuestionEstimate 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

Studdy Solution

STEP 1

Question: Which of the following is the closest estimation for 22.8 and 4.7 to the nearest whole number?A) 22 and 5 B) 23 and 5 C) 23 and 4 D) 22 and 4Answer: B) 23 and 5

STEP 2

Question: What is the product of the numbers 23 and 5?A) 115 B) 105 C) 110 D) 120Answer: A) 115

STEP 3

Question: Is the given answer 107.16 for 22.8 times 4.7 reasonable when compared to the estimated product 115?A) Yes B) No C) Can't say D) Need more informationAnswer: A) Yes

STEP 4

Question: Which of the following is the closest estimation for 2.1 and 4.9 to the nearest whole number?A) 2 and 5 B) 3 and 5 C) 2 and 4 D) 3 and 4Answer: A) 2 and 5

STEP 5

Question: Is the given answer 50 for 7.8 times 1.1 times 4.2 reasonable when compared to the estimated product 32?A) Yes B) No C) Can't say D) Need more informationAnswer: B) No

Get Studdy

Studdy solves anything!

Start learning now

Download Studdy AI Tutor now. Learn with ease and get all help you need to be successful at school.

QuestionEstimate 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. $7.8 \times 1.1 \times 4.2=50$

Question: Which of the following is the closest estimation for 22.8 and 4.7 to the nearest whole number?
A) 22 and 5 B) 23 and 5 C) 23 and 4 D) 22 and 4
Answer: B) 23 and 5

Question: What is the product of the numbers 23 and 5?
A) 115 B) 105 C) 110 D) 120
Answer: A) 115

Question: Is the given answer 107.16 for 22.8 times 4.7 reasonable when compared to the estimated product 115?
A) Yes B) No C) Can't say D) Need more information
Answer: A) Yes

Question: Which of the following is the closest estimation for 2.1 and 4.9 to the nearest whole number?
A) 2 and 5 B) 3 and 5 C) 2 and 4 D) 3 and 4
Answer: A) 2 and 5

Question: Is the given answer 50 for 7.8 times 1.1 times 4.2 reasonable when compared to the estimated product 32?
A) Yes B) No C) Can't say D) Need more information
Answer: B) No