Question 1

Add. $- 32.7 + 47.3 =$ $\underline {  \quad\quad\quad\quad\quad  }$

Accepted Answer

A)  16.1 
B)  -14.6 
C)  14.6 
D)  14.4 
E)  -13.6 
A)  16.1 
B)  -14.6 
C)  14.6 
D)  14.4 
E)  -13.6 C

Question 2

Round the decimal to the nearest thousandth.
559.8342

Accepted Answer

A)  559.835 
B)  559.834 
C)  559.85 
D)  559.8343 
E)  none of the above 
A)  559.835 
B)  559.834 
C)  559.85 
D)  559.8343 
E)  none of the above B

Question 3

Estimate the quotient: $998.24 \div 15.832$

Accepted Answer

A)  60 
B)  50 
C)  40 
D)  70 
A)  60 
B)  50 
C)  40 
D)  70 B

Question 4

Estimate the quotient: $634.853 \div 73.046$

Accepted Answer

A)  9 
B)  10 
C)  8 
D)  11 
A)  9 
B)  10 
C)  8 
D)  11

Question 5

Write 4.91 in expanded form.

Accepted Answer

A)  $4 + \frac { 9 } { 10 } + \frac { 1 } { 100 }$ 
B)  $4 + \frac { 9 } { 10 } + \frac { 1 } { 10 }$ 
C)  $4 + 0.091$ 
D)  $4 + \frac { 91 } { 10 }$ 
A)  $4 + \frac { 9 } { 10 } + \frac { 1 } { 100 }$ 
B)  $4 + \frac { 9 } { 10 } + \frac { 1 } { 10 }$ 
C)  $4 + 0.091$ 
D)  $4 + \frac { 91 } { 10 }$

Question 6

Graph the given numbers on a number line. $2 \frac { 1 } { 4 } ; - 0.25 ; 0 . \overline { 3 } ; - 2.1 \overline { 6 }$

Accepted Answer

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

Question 7

Use a calculator to evaluate the following expression. Round your answer to the nearest hundredth. $\frac { 0.53 + ( - 7.51 ) ( 8.1 ) ^ { 3 } } { 0.6791 }$

Accepted Answer

A)  -5,876.19 
B)  -5,876.24 
C)  -5,876.39 
D)  -5,875.78 
E)  -5,876.29 
A)  -5,876.19 
B)  -5,876.24 
C)  -5,876.39 
D)  -5,875.78 
E)  -5,876.29

Question 8

An electronics company has strict specifications for silicon chips used in computers. The company will only install chips that are within 0.07 cm of the specified thickness. If the thickness specification of the chip type is 0.955 cm, find the lower and upper limit for the acceptable range of thickness of the chips.

Accepted Answer

A)  The lower limit is 0.885 cm and the upper is 1.025 cm. 
B)  The lower limit is 0.895 cm and the upper is 1.024 cm. 
C)  The lower limit is 0.986 cm and the upper is 1.024 cm. 
D)  The lower limit is 0.885 cm and the upper is 1.035 cm. 
E)  The lower limit is 0.886 cm and the upper is 1.025 cm. 
A)  The lower limit is 0.885 cm and the upper is 1.025 cm. 
B)  The lower limit is 0.895 cm and the upper is 1.024 cm. 
C)  The lower limit is 0.986 cm and the upper is 1.024 cm. 
D)  The lower limit is 0.885 cm and the upper is 1.035 cm. 
E)  The lower limit is 0.886 cm and the upper is 1.025 cm.

Question 9

Perform the operation. $0.4064 + 1.6642$

Accepted Answer

A)  1.0706 
B)  2.0806 
C)  2.3706 
D)  2.0706 
E)  2.1706 
A)  1.0706 
B)  2.0806 
C)  2.3706 
D)  2.0706 
E)  2.1706

Question 10

Divide.

Accepted Answer

A)  34.15 
B)  34.7 
C)  34.2 
D)  35.2 
E)  34.1 
A)  34.15 
B)  34.7 
C)  34.2 
D)  35.2 
E)  34.1

Question 11

Divide and round to the nearest tenth. $- 5.833 \div 7.5$

Accepted Answer

A)  -0.7 
B)  -0.3 
C)  -1.0 
D)  -0.9 
E)  -0.8 
A)  -0.7 
B)  -0.3 
C)  -1.0 
D)  -0.9 
E)  -0.8

Question 12

Find the difference of price on ice cream in 2013. 
 $\begin{array} { | c | c | c | } 
\hline & \text { March } & \text { June } \
& 2013 & 2013 \
\hline \text { Price } & \mathbf { \$ 3 . 8 0 } & \mathbf { \$ 3 . 3 6 } \
\hline
\end{array}$

Accepted Answer

The answer of Find the difference of price on ice...

Question 13

Simplify the expression. $32 ^ { \frac { 2 } { 5 } }$

Accepted Answer

A)  4 
B)  3,125 
C)  25 
D)  1 
E)  32 
A)  4 
B)  3,125 
C)  25 
D)  1 
E)  32

Question 14

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 15

Divide and round your answer to the nearest tenth. $- 4.183 \div 7.7$

Accepted Answer

The answer of Divide and round your answer to the...

Question 16

Divide. $( - 40.67 ) \div ( - 7 )$

Accepted Answer

A)  6.31 
B)  5.76 
C)  6.81 
D)  5.71 
E)  5.81 
A)  6.31 
B)  5.76 
C)  6.81 
D)  5.71 
E)  5.81

Question 17

Estimate by rounding each factor to the nearest tenth: $33.47 \cdot 4.41$

Accepted Answer

A)  147.4 
B)  157.4 
C)  137.4 
D)  167.4 
A)  147.4 
B)  157.4 
C)  137.4 
D)  167.4

Question 18

Estimate using front-end rounding:  $688.29 - 255.237$

Accepted Answer

A)  440 
B)  430 
C)  420 
D)  450 
A)  440 
B)  430 
C)  420 
D)  450

Question 19

Multiply. $- 3.1 \cdot 2.7$

Accepted Answer

A)  83.7 
B)  8.37 
C)  -8.37 
D)  -14.27 
E)  -83.7 
A)  83.7 
B)  8.37 
C)  -8.37 
D)  -14.27 
E)  -83.7

Question 20

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)

Add. $- 32.7 + 47.3 =$ $\underline { \quad\quad\quad\quad\quad }$

Round the decimal to the nearest thousandth. 559.8342

Estimate the quotient: $998.24 \div 15.832$

Estimate the quotient: $634.853 \div 73.046$

Write 4.91 in expanded form.

Graph the given numbers on a number line. $2 \frac { 1 } { 4 } ; - 0.25 ; 0 . \overline { 3 } ; - 2.1 \overline { 6 }$

Use a calculator to evaluate the following expression. Round your answer to the nearest hundredth. $\frac { 0.53 + ( - 7.51 ) ( 8.1 ) ^ { 3 } } { 0.6791 }$

Perform the operation. $0.4064 + 1.6642$

Divide.

Divide and round to the nearest tenth. $- 5.833 \div 7.5$

Find the difference of price on ice cream in 2013. March June 2013 2013 Price

Simplify the expression. $32 ^ { \frac { 2 } { 5 } }$

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 tenth. $- 4.183 \div 7.7$

Divide. $( - 40.67 ) \div ( - 7 )$

Estimate by rounding each factor to the nearest tenth: $33.47 \cdot 4.41$

Estimate using front-end rounding: $688.29 - 255.237$

Multiply. $- 3.1 \cdot 2.7$

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

Whole Numbers

The Integers

Fractions and Mixed Numbers

Ratio, Proportion, and Measurement

Percent

Graphs, Statistics, and Probability

An Introduction to Algebra

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Exam 4: Decimals

Add. −32.7+47.3=- 32.7 + 47.3 =−32.7+47.3= ‾\underline { \quad\quad\quad\quad\quad }​

Round the decimal to the nearest thousandth. 559.8342

Estimate the quotient: 998.24÷15.832998.24 \div 15.832998.24÷15.832

Estimate the quotient: 634.853÷73.046634.853 \div 73.046634.853÷73.046

Write 4.91 in expanded form.

Graph the given numbers on a number line. 214;−0.25;0.3‾;−2.16‾2 \frac { 1 } { 4 } ; - 0.25 ; 0 . \overline { 3 } ; - 2.1 \overline { 6 }241​;−0.25;0.3;−2.16

Use a calculator to evaluate the following expression. Round your answer to the nearest hundredth. 0.53+(−7.51)(8.1)30.6791\frac { 0.53 + ( - 7.51 ) ( 8.1 ) ^ { 3 } } { 0.6791 }0.67910.53+(−7.51)(8.1)3​

Perform the operation. 0.4064+1.66420.4064 + 1.66420.4064+1.6642

Divide.

Divide and round to the nearest tenth. −5.833÷7.5- 5.833 \div 7.5−5.833÷7.5

Find the difference of price on ice cream in 2013. March June 2013 2013 Price

Simplify the expression. 322532 ^ { \frac { 2 } { 5 } }3252​

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 tenth. −4.183÷7.7- 4.183 \div 7.7−4.183÷7.7

Divide. (−40.67)÷(−7)( - 40.67 ) \div ( - 7 )(−40.67)÷(−7)

Estimate by rounding each factor to the nearest tenth: 33.47⋅4.4133.47 \cdot 4.4133.47⋅4.41

Estimate using front-end rounding: 688.29−255.237688.29 - 255.237688.29−255.237

Multiply. −3.1⋅2.7- 3.1 \cdot 2.7−3.1⋅2.7

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

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

Add. $- 32.7 + 47.3 =$ $\underline { \quad\quad\quad\quad\quad }$

Estimate the quotient: $998.24 \div 15.832$

Estimate the quotient: $634.853 \div 73.046$

Graph the given numbers on a number line. $2 \frac { 1 } { 4 } ; - 0.25 ; 0 . \overline { 3 } ; - 2.1 \overline { 6 }$

Use a calculator to evaluate the following expression. Round your answer to the nearest hundredth. $\frac { 0.53 + ( - 7.51 ) ( 8.1 ) ^ { 3 } } { 0.6791 }$

Perform the operation. $0.4064 + 1.6642$

Divide and round to the nearest tenth. $- 5.833 \div 7.5$

Simplify the expression. $32 ^ { \frac { 2 } { 5 } }$

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 tenth. $- 4.183 \div 7.7$

Divide. $( - 40.67 ) \div ( - 7 )$

Estimate by rounding each factor to the nearest tenth: $33.47 \cdot 4.41$

Estimate using front-end rounding: $688.29 - 255.237$

Multiply. $- 3.1 \cdot 2.7$

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