Question 1

Evaluate the expression. $( - 7.5 + 6.9 ) ( - 3.1 - 2.9 )$

Accepted Answer

The answer of Evaluate the expression. \(( - 7.5 +...

Question 2

Divide and round your answer to the nearest hundredth. $1 . 3 3)\overline { 3 . 9 2 6 8 3 }$

Accepted Answer

A)  3.05 
B)  3.45 
C)  3.95 
D)  2.84 
E)  2.95
F) 2.85 
A)  3.05 
B)  3.45 
C)  3.95 
D)  2.84 
E)  2.95
F) 2.85

Question 3

Estimate using front-end rounding:   $47 \cdot 5.44$

Accepted Answer

A)  260 
B)  250 
C)  240 
D)  270 
A)  260 
B)  250 
C)  240 
D)  270

Question 4

Fill in the blank with the proper symbol ( , or = ) to make a true statement. $- 4.25$________$3.48$

Accepted Answer

A)  $- 4.25  3.48$ 
E)  $- 4.25 = 3.48$ 
A)  $- 4.25  3.48$ 
E)  $- 4.25 = 3.48$

Question 5

Subtract. $- 38.72 - ( - 45.641 ) =$________

Accepted Answer

A)  7.021 
B)  -6.921 
C)  -84.361 
D)  84.361 
E)  6.921 
A)  7.021 
B)  -6.921 
C)  -84.361 
D)  84.361 
E)  6.921

Question 6

Fill in the correct symbol ( > or $\frac { 3 } { 8 }$ ____ 0.395

Accepted Answer

The answer of Fill in the correct symbol ( >...

Question 7

Subtract. $48 - 24.009$

Accepted Answer

A)  24.991 
B)  24.001 
C)  23.991 
D)  23.989 
E)  23.891 
A)  24.991 
B)  24.001 
C)  23.991 
D)  23.989 
E)  23.891

Question 8

Write the following fraction in decimal form. $\frac { 7 } { 9 }$

Accepted Answer

A)  $7.7 \overline { 7 }$ 
B)  $0 . \overline { 7 }$ 
C)  $0.\bar4$ 
D)  $0.0\bar7$ 
E)  none of these 
A)  $7.7 \overline { 7 }$ 
B)  $0 . \overline { 7 }$ 
C)  $0.\bar4$ 
D)  $0.0\bar7$ 
E)  none of these

Question 9

Write the fraction in decimal form. $- \frac { 2 } { 125 }$

Accepted Answer

A)  -0.00016 
B)  0.00016 
C)  -0.2 
D)  0.016 
E)  -0.016 
A)  -0.00016 
B)  0.00016 
C)  -0.2 
D)  0.016 
E)  -0.016

Question 10

Add the following numbers. $+ \begin{array} { r } 
44.9 \
46.7 \
\hline
\end{array}$

Accepted Answer

A)  87.6 
B)  91.6 
C)  92.6 
D)  91.7 
E)  91.4 
A)  87.6 
B)  91.6 
C)  92.6 
D)  91.7 
E)  91.4

Question 11

Graph the given numbers on a number line. $- 4 . \overline { 5 } ; - 2 \frac { 4 } { 5 } ; 1 . \overline { 2 } ; 2.875$

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 12

A decimal point is used when working with dollars, but the decimal point is not necessary when working with cents. For each dollar amount, give the equivalent amount expressed as cents.
$7.70, and $0.62

Accepted Answer

A)  77, and 62 
B)  7.7, and 62 
C)  770, and 62 
D)  770, and 620 
E)  770, and 6.2 
A)  77, and 62 
B)  7.7, and 62 
C)  770, and 62 
D)  770, and 620 
E)  770, and 6.2

Question 13

Find a rational approximation, to the nearest tenth, for the radical expression. $6 \sqrt { 19 } + 8 \sqrt { 19 }$

Accepted Answer

A)  59.4 
B)  65.3 
C)  62.8 
D)  61.4 
E)  61.0 
A)  59.4 
B)  65.3 
C)  62.8 
D)  61.4 
E)  61.0

Question 14

Divide and round your answer to the nearest hundredth. $0 . 3 1)\overline  { 4 . 3 3 2 9 3 }$

Accepted Answer

A)  13.88 
B)  14.48 
C)  13.98 
D)  14.08 
E)  14.98 
A)  13.88 
B)  14.48 
C)  13.98 
D)  14.08 
E)  14.98

Question 15

Fill in the blank with the proper symbol ( , or = ) to make a true statement.
7.132 ____ 7.123

Accepted Answer

A)  7.132 
B)  7.132 > 7.123 
C)  7.132 = 7.123 
A)  7.132 
B)  7.132 > 7.123 
C)  7.132 = 7.123

Question 16

Write the fraction in decimal form. If the result is a repeating decimal, use an overbar. $\frac { 7 } { 99 }$

Accepted Answer

The answer of Write the fraction in decimal form. If...

Question 17

The time t (in seconds) that it takes an object dropped from a distance d (in feet) to fall to the ground is given by the formula $t = 0.25 \sqrt { d }$ How long will it take a pair of sunglasses to fall to the ground if a sightseer drops them from the top of a 225-foot-tall observation tower? 
________ seconds

Accepted Answer

The answer of The time t (in seconds) that it...

Question 18

Perform the following division mentally. $- 7.829 \div 100$

Accepted Answer

A)  -0.007829 
B)  78.29 
C)  -0.07829 
D)  782.9 
E)  -0.7829 
A)  -0.007829 
B)  78.29 
C)  -0.07829 
D)  782.9 
E)  -0.7829

Question 19

Multiply. $- 0.7 \cdot 2.9$

Accepted Answer

A)  2.03 
B)  20.3 
C)  -20.3 
D)  -2.03 
E)  -5.73 
A)  2.03 
B)  20.3 
C)  -20.3 
D)  -2.03 
E)  -5.73

Evaluate the expression. $( - 7.5 + 6.9 ) ( - 3.1 - 2.9 )$

Divide and round your answer to the nearest hundredth. $1 . 3 3)\overline { 3 . 9 2 6 8 3 }$

Estimate using front-end rounding: $47 \cdot 5.44$

Fill in the blank with the proper symbol ( , or = ) to make a true statement. $- 4.25$ ________ $3.48$

Subtract. $- 38.72 - ( - 45.641 ) =$ ________

Fill in the correct symbol ( > or $\frac { 3 } { 8 }$ ____ 0.395

Subtract. $48 - 24.009$

Write the following fraction in decimal form. $\frac { 7 } { 9 }$

Write the fraction in decimal form. $- \frac { 2 } { 125 }$

Add the following numbers. plus 44.9 46.7

Graph the given numbers on a number line. $- 4 . \overline { 5 } ; - 2 \frac { 4 } { 5 } ; 1 . \overline { 2 } ; 2.875$

A decimal point is used when working with dollars, but the decimal point is not necessary when working with cents. For each dollar amount, give the equivalent amount expressed as cents. $7.70, and $0.62

Find a rational approximation, to the nearest tenth, for the radical expression. $6 \sqrt { 19 } + 8 \sqrt { 19 }$

Divide and round your answer to the nearest hundredth. $0 . 3 1)\overline { 4 . 3 3 2 9 3 }$

Fill in the blank with the proper symbol ( , or = ) to make a true statement. 7.132 ____ 7.123

Write the fraction in decimal form. If the result is a repeating decimal, use an overbar. $\frac { 7 } { 99 }$

Perform the following division mentally. $- 7.829 \div 100$

Multiply. $- 0.7 \cdot 2.9$

Whole Numbers

The Integers

Fractions and Mixed Numbers

Ratio, Proportion, and Measurement

Percent

Graphs, Statistics, and Probability

An Introduction to Algebra

An Introduction to Geometry

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Exam 4: Decimals

Evaluate the expression. (−7.5+6.9)(−3.1−2.9)( - 7.5 + 6.9 ) ( - 3.1 - 2.9 )(−7.5+6.9)(−3.1−2.9)

Divide and round your answer to the nearest hundredth. 1.33)3.92683‾1 . 3 3)\overline { 3 . 9 2 6 8 3 }1.33)3.92683

Estimate using front-end rounding: 47⋅5.4447 \cdot 5.4447⋅5.44

Fill in the blank with the proper symbol ( , or = ) to make a true statement. −4.25- 4.25−4.25 ________ 3.483.483.48

Subtract. −38.72−(−45.641)=- 38.72 - ( - 45.641 ) =−38.72−(−45.641)= ________

Fill in the correct symbol ( > or 38\frac { 3 } { 8 }83​ ____ 0.395

Subtract. 48−24.00948 - 24.00948−24.009

Write the following fraction in decimal form. 79\frac { 7 } { 9 }97​

Write the fraction in decimal form. −2125- \frac { 2 } { 125 }−1252​

Add the following numbers. plus 44.9 46.7

Graph the given numbers on a number line. −4.5‾;−245;1.2‾;2.875- 4 . \overline { 5 } ; - 2 \frac { 4 } { 5 } ; 1 . \overline { 2 } ; 2.875−4.5;−254​;1.2;2.875

A decimal point is used when working with dollars, but the decimal point is not necessary when working with cents. For each dollar amount, give the equivalent amount expressed as cents. $7.70, and $0.62

Find a rational approximation, to the nearest tenth, for the radical expression. 619+8196 \sqrt { 19 } + 8 \sqrt { 19 }619​+819​

Divide and round your answer to the nearest hundredth. 0.31)4.33293‾0 . 3 1)\overline { 4 . 3 3 2 9 3 }0.31)4.33293

Fill in the blank with the proper symbol ( , or = ) to make a true statement. 7.132 ____ 7.123

Write the fraction in decimal form. If the result is a repeating decimal, use an overbar. 799\frac { 7 } { 99 }997​

Perform the following division mentally. −7.829÷100- 7.829 \div 100−7.829÷100

Multiply. −0.7⋅2.9- 0.7 \cdot 2.9−0.7⋅2.9

Whole Numbers

The Integers

Fractions and Mixed Numbers

Ratio, Proportion, and Measurement

Percent

Graphs, Statistics, and Probability

An Introduction to Algebra

An Introduction to Geometry

Filters

Evaluate the expression. $( - 7.5 + 6.9 ) ( - 3.1 - 2.9 )$

Divide and round your answer to the nearest hundredth. $1 . 3 3)\overline { 3 . 9 2 6 8 3 }$

Estimate using front-end rounding: $47 \cdot 5.44$

Fill in the blank with the proper symbol ( , or = ) to make a true statement. $- 4.25$ ________ $3.48$

Subtract. $- 38.72 - ( - 45.641 ) =$ ________

Fill in the correct symbol ( > or $\frac { 3 } { 8 }$ ____ 0.395

Subtract. $48 - 24.009$

Write the following fraction in decimal form. $\frac { 7 } { 9 }$

Write the fraction in decimal form. $- \frac { 2 } { 125 }$

Graph the given numbers on a number line. $- 4 . \overline { 5 } ; - 2 \frac { 4 } { 5 } ; 1 . \overline { 2 } ; 2.875$

Find a rational approximation, to the nearest tenth, for the radical expression. $6 \sqrt { 19 } + 8 \sqrt { 19 }$

Divide and round your answer to the nearest hundredth. $0 . 3 1)\overline { 4 . 3 3 2 9 3 }$

Write the fraction in decimal form. If the result is a repeating decimal, use an overbar. $\frac { 7 } { 99 }$

Perform the following division mentally. $- 7.829 \div 100$

Multiply. $- 0.7 \cdot 2.9$