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Archive
/
Math
Numbers & Operations
Problem 6701
The number of significant figures in
50.0009
50.0009
50.0009
is how many?
See Solution
Problem 6702
The number of significant figures in
9020.0
9020.0
9020.0
is ?
See Solution
Problem 6703
Count the significant figures in the number
1
,
234
,
450
1,234,450
1
,
234
,
450
.
See Solution
Problem 6704
Count the significant figures in the number
0.000202
0.000202
0.000202
.
See Solution
Problem 6705
Count the significant figures in the number
0.00000000000022
0.00000000000022
0.00000000000022
.
See Solution
Problem 6706
Calculate
9.725
×
1
0
3
+
3.58
×
1
0
2
+
6.1
9.725 \times 10^{3}+3.58 \times 10^{2}+6.1
9.725
×
1
0
3
+
3.58
×
1
0
2
+
6.1
and round to the correct significant figures.
See Solution
Problem 6707
Find the answer to
6.525
−
0.55
−
1.87
6.525 - 0.55 - 1.87
6.525
−
0.55
−
1.87
with the correct significant figures.
See Solution
Problem 6708
Calculate the sum:
3.25
×
1
0
−
2
+
3.572
×
1
0
−
3
+
6.125
×
1
0
−
1
3.25 \times 10^{-2} + 3.572 \times 10^{-3} + 6.125 \times 10^{-1}
3.25
×
1
0
−
2
+
3.572
×
1
0
−
3
+
6.125
×
1
0
−
1
and round to correct significant figures.
See Solution
Problem 6709
Calculate the sum:
0.5
+
3.25
+
2.8
0.5 + 3.25 + 2.8
0.5
+
3.25
+
2.8
and report it with the correct significant figures.
See Solution
Problem 6710
Calculate
95.325
−
43.35
−
16.12
95.325 - 43.35 - 16.12
95.325
−
43.35
−
16.12
and round to the correct significant figures.
See Solution
Problem 6711
Find the sum of
19.25
19.25
19.25
,
31.535
31.535
31.535
, and
16.7125
16.7125
16.7125
with the correct significant figures.
See Solution
Problem 6712
Write the repeating decimal
3.0
1
‾
3.0 \overline{1}
3.0
1
as a mixed number.
See Solution
Problem 6713
Amy earned \$25 for 3 hours of babysitting. How much will she earn for 7 hours at the same rate?
See Solution
Problem 6714
Calculate
275.75
−
113.5
+
36.125
275.75 - 113.5 + 36.125
275.75
−
113.5
+
36.125
and round to the correct significant figures based on the + or - rule.
See Solution
Problem 6715
Sam raked 3 bags in 16 minutes. How long for 5 bags at the same rate? Calculate:
16
3
×
5
\frac{16}{3} \times 5
3
16
×
5
.
See Solution
Problem 6716
Calculate
9.2875
+
23.65
−
14.357
9.2875 + 23.65 - 14.357
9.2875
+
23.65
−
14.357
and round to the correct significant figures based on addition and subtraction rules.
See Solution
Problem 6717
Calculate the sum:
39.25
+
13.5
+
66.125
−
0.3
39.25 + 13.5 + 66.125 - 0.3
39.25
+
13.5
+
66.125
−
0.3
and round to the correct significant figures.
See Solution
Problem 6718
How many pounds of peanuts are needed for 24 jars of peanut butter if 5 pounds make 9 jars?
See Solution
Problem 6719
Jim wants an 8-month gym membership. If 2 months costs \$125, how much will he pay for 8 months?
See Solution
Problem 6720
Bobby drove 110 miles using 5 gallons. How far can he go with 16 gallons? Find the distance
d
d
d
using
d
=
110
5
×
16
d = \frac{110}{5} \times 16
d
=
5
110
×
16
.
See Solution
Problem 6721
Calculate the expression:
3
16
−
4
36
3 \sqrt{16}-4 \sqrt{36}
3
16
−
4
36
.
See Solution
Problem 6722
Calculate the following:
1. \$ 620 divided by 40
2. 12 times \$ 1,578
3. 4 at \$12.75
See Solution
Problem 6723
Simplify
−
18
-18
−
18
.
See Solution
Problem 6724
Joy makes 9 sandwiches in 15 minutes. How long to make 30 sandwiches? Calculate time in minutes.
See Solution
Problem 6725
If 7 gallons paints 3 rooms, how many gallons are needed for 5 rooms? Use the formula:
x
=
7
3
×
5
x = \frac{7}{3} \times 5
x
=
3
7
×
5
.
See Solution
Problem 6726
Calculate
3
36
+
5
49
3 \sqrt{36} + 5 \sqrt{49}
3
36
+
5
49
.
See Solution
Problem 6727
Emma's job pays \$38,950 for 52 weeks. What is the average pay per month and per week?
See Solution
Problem 6728
What is the new molarity of a
0.455
M
0.455 \mathrm{M}
0.455
M
sodium chloride solution after adding
1.88
L
1.88 \mathrm{L}
1.88
L
of water to
375
m
L
375 \mathrm{~mL}
375
mL
?
See Solution
Problem 6729
Calculate the value of
−
39
3
\frac{-39}{3}
3
−
39
.
See Solution
Problem 6730
Calculate the expression:
(
8
×
1
)
+
(
5
×
1
100
)
+
(
9
×
1
1
,
000
)
(8 \times 1) + (5 \times \frac{1}{100}) + (9 \times \frac{1}{1,000})
(
8
×
1
)
+
(
5
×
100
1
)
+
(
9
×
1
,
000
1
)
.
See Solution
Problem 6731
Find the difference between the record high (109°F) and low (-370°F) temperatures in Fargo, ND.
See Solution
Problem 6732
Find the total length of two pipes:
4
−
1
/
4
′
4-1/4'
4
−
1/
4
′
and
3
−
1
/
2
′
3-1/2'
3
−
1/
2
′
. Give the total in fractions of a foot, feet & inches, and inches.
See Solution
Problem 6733
True or false: Is 7 a natural number? Choose True or False.
See Solution
Problem 6734
Find the difference between the record high (
10
9
∘
F
109^{\circ} \mathrm{F}
10
9
∘
F
) and low (
−
3
7
∘
F
-37^{\circ} \mathrm{F}
−
3
7
∘
F
) temperatures in Fargo, ND.
See Solution
Problem 6735
Calculate the total weight of 3 orders weighing
52
1
2
l
b
s
,
123
3
8
l
b
s
52 \frac{1}{2} \mathrm{lbs}, 123 \frac{3}{8} \mathrm{lbs}
52
2
1
lbs
,
123
8
3
lbs
, and
967
8
l
b
s
\frac{967}{8} \mathrm{lbs}
8
967
lbs
in lbs and oz.
See Solution
Problem 6736
Identify the set of whole numbers from the options:
{
…
,
−
3
,
−
2
,
−
1
,
0
,
1
,
2
,
3
,
…
}
\{\ldots,-3,-2,-1,0,1,2,3, \ldots\}
{
…
,
−
3
,
−
2
,
−
1
,
0
,
1
,
2
,
3
,
…
}
,
{
1
,
2
,
3
,
4
,
…
}
\{1,2,3,4, \ldots\}
{
1
,
2
,
3
,
4
,
…
}
,
{
0
,
1
,
2
,
3
,
…
}
\{0,1,2,3, \ldots\}
{
0
,
1
,
2
,
3
,
…
}
,
{
…
,
−
3
,
−
2
,
−
1
}
\{\ldots,-3,-2,-1\}
{
…
,
−
3
,
−
2
,
−
1
}
.
See Solution
Problem 6737
Mrs. Sloan buys 3.4 lbs of trail mix at \$4.25/lb. How much change from \$20.00? Options: \$14.45, \$5.55, \$12.55, \$7.45.
See Solution
Problem 6738
You have
18
−
3
/
8
′
′
18 - 3 / 8^{\prime \prime}
18
−
3/
8
′′
of
1
/
4
n
1 / 4^{n}
1/
4
n
bar stock. After cutting a 6-1/4" piece, how much is left with and without
1
/
8
′
′
1 / 8^{\prime \prime}
1/
8
′′
kerf?
See Solution
Problem 6739
Find the remaining width of material after cutting a total width of
6
1
4
6\frac{1}{4}
6
4
1
inches with a saw blade kerf of
1
8
\frac{1}{8}
8
1
inch.
See Solution
Problem 6740
Is it true or false that every positive number is a positive irrational number? Choose A, B, C, or D.
See Solution
Problem 6741
A volleyball team spends \$120 on snacks. They buy 95 popcorn bags at \$0.75 and 35 candy bags at \$1.20. What's left for drinks?
See Solution
Problem 6742
Calculate:
3
1
10
+
(
−
1.3
)
3 \frac{1}{10} + (-1.3)
3
10
1
+
(
−
1.3
)
See Solution
Problem 6743
Is the statement true or false?
16
\sqrt{16}
16
is an irrational number. Choose: True or False.
See Solution
Problem 6744
Is it true or false that every real number is an integer? Choose: True or False.
See Solution
Problem 6745
In a fitness studio of 36 people, if
3
8
\frac{3}{8}
8
3
lifted weights and
1
3
\frac{1}{3}
3
1
did cross training, what fraction ran? A.
7
24
\frac{7}{24}
24
7
B.
17
24
\frac{17}{24}
24
17
C.
5
12
\frac{5}{12}
12
5
D.
7
8
\frac{7}{8}
8
7
See Solution
Problem 6746
Is the statement "6 is an integer" true or false? Choose: True or False.
See Solution
Problem 6747
Is
12
\sqrt{12}
12
a rational number? Choose true or false and explain your choice. A. True, it's an integer. B. True, it has repeating digits. C. False, it never ends or repeats. D. True, it's a terminating decimal.
See Solution
Problem 6748
What is the sum of the temperatures for the 5-day forecast in St. Paul: -6, 3, 4, -2, -1?
See Solution
Problem 6749
Insert
<
<
<
or
>
>
>
in the shaded areas: a) 9 ___ 14, b) -9 ___ -14.
See Solution
Problem 6750
Insert
<
<
<
or
>
>
>
between
2
7
\frac{2}{7}
7
2
and
7
8
\frac{7}{8}
8
7
to make the statement true.
See Solution
Problem 6751
How many
2
3
\frac{2}{3}
3
2
pound containers can be filled with a 9 pound bag of sugar? A.
13
1
2
13 \frac{1}{2}
13
2
1
B.
15
1
3
15 \frac{1}{3}
15
3
1
C.
13
1
3
13 \frac{1}{3}
13
3
1
D. 27
See Solution
Problem 6752
Calculate the expression:
[
2
×
(
3
+
5
)
+
6
]
×
4
[2 \times(3+5)+6] \times 4
[
2
×
(
3
+
5
)
+
6
]
×
4
.
See Solution
Problem 6753
Insert
<
<
<
or
>
>
>
between the numbers to make this true:
5
8
□
3
7
\frac{5}{8} \square \frac{3}{7}
8
5
□
7
3
.
See Solution
Problem 6754
Insert
<
<
<
or
>
>
>
in the blank to make the statement true: -0.031 \_ -0.046.
See Solution
Problem 6755
Insert
<
<
<
or
>
>
>
between the numbers to make the statement true:
8
11
□
3
7
\frac{8}{11} \square \frac{3}{7}
11
8
□
7
3
.
See Solution
Problem 6756
Insert
<
<
<
or
>
>
>
in the blank:
0.007
□
0.07
0.007 \square 0.07
0.007
□
0.07
.
See Solution
Problem 6757
Insert either
<
<
<
or
>
>
>
to make the statement true:
0.02
−
0.002
∇
0.002
0.02 - 0.002 \, \nabla \, 0.002
0.02
−
0.002
∇
0.002
.
See Solution
Problem 6758
A spool has 18 feet of ribbon. How many 8-inch pieces can be cut from it? A. 10 B. 27 C. 2.25 D. 14.8
See Solution
Problem 6759
Is
4
13
\frac{4}{13}
13
4
greater than, less than, or equal to 0.31? Replace ? with the correct symbol:
>
,
<
,
=
>,<,=
>
,
<
,
=
.
See Solution
Problem 6760
Insert
<
,
>
<, >
<
,
>
, or
=
=
=
in the blank:
∣
−
2
5
∣
□
∣
−
5
2
∣
\left|-\frac{2}{5}\right| \square \left|-\frac{5}{2}\right|
∣
∣
−
5
2
∣
∣
□
∣
∣
−
2
5
∣
∣
See Solution
Problem 6761
Insert
<
<
<
or
>
>
>
to make the statement true: -(-5) \square -(-7)
See Solution
Problem 6762
Find the absolute value of
2
1
2
2 \frac{1}{2}
2
2
1
and express it as a mixed number in simplest form.
See Solution
Problem 6763
Find the absolute value of 6. What is
∣
6
∣
|6|
∣6∣
?
See Solution
Problem 6764
Insert
<
,
>
<,>
<
,
>
, or
=
=
=
to complete:
4
_
∥
−
5
∥
4 \_\|-5\|
4_∥
−
5∥
and
4
□
∥
−
5
∥
4 \square \|-5\|
4
□
∥
−
5∥
.
See Solution
Problem 6765
The PTA needs \$682.56 for a swing set, received a \$200.00 donation. How much must each of 8 groups raise?
See Solution
Problem 6766
Insert
<
,
>
<,>
<
,
>
, or
=
=
=
in the blank to make it true:
1
10
⋅
1
10
□
1
10
÷
1
10
\frac{1}{10} \cdot \frac{1}{10} \square \frac{1}{10} \div \frac{1}{10}
10
1
⋅
10
1
□
10
1
÷
10
1
See Solution
Problem 6767
Simplify -|48|. What is -|48| equal to?
See Solution
Problem 6768
Find the value of the expression
−
∣
−
8
∣
-|-8|
−
∣
−
8∣
.
See Solution
Problem 6769
Find the two numbers with an absolute value of
1.75
1.75
1.75
on the number line. Identify their positions.
See Solution
Problem 6770
Find the absolute value of 10. What is
∣
10
∣
=
|10| =
∣10∣
=
?
See Solution
Problem 6771
Santiago bakes 12 dozen cookies needing
3
4
\frac{3}{4}
4
3
tsp per dozen. How many total tsp of baking soda is required?
See Solution
Problem 6772
Calculate the sum:
7
8
+
4
9
=
\frac{7}{8}+\frac{4}{9}=
8
7
+
9
4
=
See Solution
Problem 6773
Calculate
7
8
+
4
9
\frac{7}{8}+\frac{4}{9}
8
7
+
9
4
.
See Solution
Problem 6774
Determine if 0.07 is less than or greater than 0.7: use
<
<
<
or
>
>
>
.
See Solution
Problem 6775
Determine the correct symbol (
>
,
<
,
=
>,<,=
>
,
<
,
=
) for the inequality:
7
13
?
0.54
\frac{7}{13} ? 0.54
13
7
?
0.54
.
See Solution
Problem 6776
Insert
<
,
>
<,>
<
,
>
, or
=
=
=
to make the statement true:
9
−
∣
−
5
∣
□
∣
−
5
∣
9 - |-5| \square |-5|
9
−
∣
−
5∣
□
∣
−
5∣
See Solution
Problem 6777
Calculate
1
5
−
1
7
\frac{1}{5}-\frac{1}{7}
5
1
−
7
1
.
See Solution
Problem 6778
Insert
<
,
z
,
<_{,} z_{,}
<
,
z
,
or
=
=
=
in the blank to make a true statement:
3
4
□
∣
−
3
∣
\frac{3}{4} \square|-3|
4
3
□
∣
−
3∣
See Solution
Problem 6779
Calculate:
3
5
−
1
10
=
\frac{3}{5}-\frac{1}{10}=
5
3
−
10
1
=
See Solution
Problem 6780
Insert
<
<
<
or
>
>
>
between the numbers to make the statement true:
7
11
□
7
8
\frac{7}{11} \square \frac{7}{8}
11
7
□
8
7
.
See Solution
Problem 6781
Insert
<
,
>
<,>
<
,
>
, or
=
=
=
to make the statement true:
1
11
⋅
1
11
□
1
11
÷
1
11
\frac{1}{11} \cdot \frac{1}{11} \square \frac{1}{11} \div \frac{1}{11}
11
1
⋅
11
1
□
11
1
÷
11
1
See Solution
Problem 6782
Insert
<
<
<
or
>
>
>
between
7
8
\frac{7}{8}
8
7
and
7
9
\frac{7}{9}
9
7
to make the statement true:
7
8
□
7
9
\frac{7}{8} \square \frac{7}{9}
8
7
□
9
7
.
See Solution
Problem 6783
Calculate
9
10
+
2
9
\frac{9}{10}+\frac{2}{9}
10
9
+
9
2
.
See Solution
Problem 6784
Find the absolute value of -3:
∣
−
3
∣
=
|-3| =
∣
−
3∣
=
See Solution
Problem 6785
Calculate
4
7
+
1
6
\frac{4}{7}+\frac{1}{6}
7
4
+
6
1
.
See Solution
Problem 6786
Insert
<
<
<
or
>
>
>
in the blank to make a true statement:
0.4
□
0.6
0.4 \square 0.6
0.4
□
0.6
.
See Solution
Problem 6787
Simplify -|92|. What is -|92| equal to?
See Solution
Problem 6788
Amelia has 6 feet of wire. How many necklaces can she make if each requires
1
3
\frac{1}{3}
3
1
foot? (A) 18 (B) 16 (C) 36 (D) 42
See Solution
Problem 6789
Insert
<
<
<
or
>
>
>
in the shaded areas: a) 6 ___ 15, b) -6 ___ -15.
See Solution
Problem 6790
Insert
<
<
<
or
>
>
>
to make this true: -0.023 ___ -0.008.
See Solution
Problem 6791
What is the cutting speed of 80 feet per minute in cm per minute? Choose from: 800, 38, 960, 2438.4.
See Solution
Problem 6792
Convert the length of a part from
1257
m
m
1257 \mathrm{~mm}
1257
mm
to meters. What is the length in meters?
See Solution
Problem 6793
What is the quotient of
5
÷
1
4
5 \div \frac{1}{4}
5
÷
4
1
? (A)
5
4
\frac{5}{4}
4
5
(B)
6
4
\frac{6}{4}
4
6
(C) 20 (D) 21
See Solution
Problem 6794
Find the multiplier to convert inches to centimeters using 25.4, 0.03937, 2.54, and 10. Explain their relevance.
See Solution
Problem 6795
Convert the tolerance range of
±
0.05
\pm0.05
±
0.05
mm to the nearest 0.001 inch.
See Solution
Problem 6796
Convert 12 cubic inches of material removed to cubic centimeters. Options: 196.38, 1966, 16.38, 163.8.
See Solution
Problem 6797
Convert the tolerance
+
/
−
.
125
+/-.125
+
/
−
.125
inch to mm, rounded to the nearest
1
/
100
1/100
1/100
mm:
3
3
3
mm,
1.25
1.25
1.25
mm,
3.17
3.17
3.17
mm, or
0.05
0.05
0.05
mm?
See Solution
Problem 6798
Calculate
6
1
2
×
3
3
4
6 \frac{1}{2} \times 3 \frac{3}{4}
6
2
1
×
3
4
3
. Choose the correct answer from the options: (A)
16
5
8
16 \frac{5}{8}
16
8
5
, (B)
18
3
8
18 \frac{3}{8}
18
8
3
, (C)
22
1
2
22 \frac{1}{2}
22
2
1
, (D)
24
3
8
24 \frac{3}{8}
24
8
3
.
See Solution
Problem 6799
Find the least common denominator (LCD) of
1
3
\frac{1}{3}
3
1
and
1
4
\frac{1}{4}
4
1
.
See Solution
Problem 6800
Convert 0.0625 inch to mm. Options: 1.58, 0.002, 6.25, 0.625.
See Solution
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