Question 1

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 2

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 3

Evaluate the square root without using a calculator. $\sqrt { \frac { 1 } { 36 } }$

Accepted Answer

A)  $\frac { 1 } { 36 }$ 
B)  $- \frac { 1 } { 36 }$ 
C)  $\frac { 1 } { 2 }$ 
D)  $\frac { 1 } { 10 }$ 
E)  $\frac { 1 } { 6 }$ 
A)  $\frac { 1 } { 36 }$ 
B)  $- \frac { 1 } { 36 }$ 
C)  $\frac { 1 } { 2 }$ 
D)  $\frac { 1 } { 10 }$ 
E)  $\frac { 1 } { 6 }$

Question 4

Multiply. $- 18.31 \cdot 1,000$

Accepted Answer

A)  -0.01831 
B)  -18,310 
C)  -1,831,000 
D)  -183,100 
E)  -1,831 
A)  -0.01831 
B)  -18,310 
C)  -1,831,000 
D)  -183,100 
E)  -1,831

Question 5

Evaluate the expression without using a calculator. $\frac { \left( 0.8 ^ { 8 } \right) \left( 0.3 ^ { 8 } \right) } { \left( 0.6 ^ { 8 } \right) \left( 0.4 ^ { 8 } \right) }$

Accepted Answer

A)  0.1 
B)  0.4 
C)  1 
D)  10 
A)  0.1 
B)  0.4 
C)  1 
D)  10

Question 6

The late Florence Griffith-Joyner set the United States national and world record in the 100-meter sprint: 10.69 seconds. Jenny Thompson set the United States national record in the 100-meter freestyle swim: 53.12 seconds. How much faster did Griffith-Joyner run the 100 meters than Thompson swam it?

Accepted Answer

A)  41.33 seconds 
B)  42.44 seconds 
C)  42.38 seconds 
D)  42.43 seconds 
E)  43.54 seconds 
A)  41.33 seconds 
B)  42.44 seconds 
C)  42.38 seconds 
D)  42.43 seconds 
E)  43.54 seconds

Question 7

A volume control is shown in the illustration below. If the distance between the low and high settings is 15 cm, how far apart are the equally spaced volume settings?   
__________ cm

Accepted Answer

The answer of A volume control is shown in the...

Question 8

Subtract. $- 47.79 - ( - 33.345 )$

Accepted Answer

A)  -14.465 
B)  -14.444 
C)  -14.345 
D)  -13.32 
E)  -14.445 
A)  -14.465 
B)  -14.444 
C)  -14.345 
D)  -13.32 
E)  -14.445

Question 9

After expenses of $52.15 were paid, a club donated $878.85 in proceeds from a pancake breakfast to a local health clinic. How much did the pancake breakfast gross?

Accepted Answer

A)  $891 
B)  $901 
C)  $911 
D)  $931 
E)  $921 
A)  $891 
B)  $901 
C)  $911 
D)  $931 
E)  $921

Question 10

Write the fraction in decimal form. Round to the nearest thousandth. $\frac { 26 } { 45 }$

Accepted Answer

A)  0.576 
B)  0.5778 
C)  0.678 
D)  0.478 
E)  0.578 
A)  0.576 
B)  0.5778 
C)  0.678 
D)  0.478 
E)  0.578

Question 11

Write the fraction in decimal form. Round to the nearest hundredth. $\frac { 2 } { 9 }$

Accepted Answer

A)  0.22 
B)  0.2 
C)  0.222 
D)  0.12 
E)  0.32 
A)  0.22 
B)  0.2 
C)  0.222 
D)  0.12 
E)  0.32

Question 12

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 13

Write the fraction in decimal form. $\frac { 17 } { 128 }$

Accepted Answer

A)  0.1563125 
B)  0.2328125 
C)  0.1228125 
D)  0.1328125 
E)  0.1326125 
A)  0.1563125 
B)  0.2328125 
C)  0.1228125 
D)  0.1328125 
E)  0.1326125

Question 14

Three years after opening an account that paid 6.45% annually, a depositor withdrew the $3,096 in interest earned. How much money was left in the account?

Accepted Answer

A)  $19,000 
B)  $16,000 
C)  $15,000 
D)  $20,000 
E)  $14,000 
A)  $19,000 
B)  $16,000 
C)  $15,000 
D)  $20,000 
E)  $14,000

Question 15

Divide and round the result to the nearest tenth. $- 5.427 \div 2.9$

Accepted Answer

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

Question 16

Find the sum. $( - 0.1 ) + 0.8$

Accepted Answer

A)  0.7 
B)  1.2 
C)  0.8 
D)  0.5 
E)  1.3 
A)  0.7 
B)  1.2 
C)  0.8 
D)  0.5 
E)  1.3

Question 17

In the city map illustrated below, the streets form a grid. Each street is 0.24 miles apart. Find the distance of a trip from the airport to city hall.   
__________ miles

Accepted Answer

The answer of In the city map illustrated below, the...

Question 18

Multiply. $40.57 \cdot 1,000$

Accepted Answer

A)  40.57 
B)  405,700 
C)  0.04057 
D)  40,570 
E)  none of the above 
A)  40.57 
B)  405,700 
C)  0.04057 
D)  40,570 
E)  none of the above

Question 19

Fill in the blank with the proper symbol ( , or = ) to make a true statement. $- 4.25$ $\underline {  \quad\quad\quad\quad\quad  }$ $3.48$

Accepted Answer

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

Question 20

Multiply: $109.3 \cdot 0.00001$

Accepted Answer

A)  0.001093 
B)  10,930,000 
C)  0.0001093 
D)  0.01093 
A)  0.001093 
B)  10,930,000 
C)  0.0001093 
D)  0.01093

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

Evaluate the square root without using a calculator. $\sqrt { \frac { 1 } { 36 } }$

Multiply. $- 18.31 \cdot 1,000$

Evaluate the expression without using a calculator. $\frac { \left( 0.8 ^ { 8 } \right) \left( 0.3 ^ { 8 } \right) } { \left( 0.6 ^ { 8 } \right) \left( 0.4 ^ { 8 } \right) }$

The late Florence Griffith-Joyner set the United States national and world record in the 100-meter sprint: 10.69 seconds. Jenny Thompson set the United States national record in the 100-meter freestyle swim: 53.12 seconds. How much faster did Griffith-Joyner run the 100 meters than Thompson swam it?

A volume control is shown in the illustration below. If the distance between the low and high settings is 15 cm, how far apart are the equally spaced volume settings? __________ cm

Subtract. $- 47.79 - ( - 33.345 )$

After expenses of $52.15 were paid, a club donated $878.85 in proceeds from a pancake breakfast to a local health clinic. How much did the pancake breakfast gross?

Write the fraction in decimal form. Round to the nearest thousandth. $\frac { 26 } { 45 }$

Write the fraction in decimal form. Round to the nearest hundredth. $\frac { 2 } { 9 }$

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

Write the fraction in decimal form. $\frac { 17 } { 128 }$

Three years after opening an account that paid 6.45% annually, a depositor withdrew the $3,096 in interest earned. How much money was left in the account?

Divide and round the result to the nearest tenth. $- 5.427 \div 2.9$

Find the sum. $( - 0.1 ) + 0.8$

In the city map illustrated below, the streets form a grid. Each street is 0.24 miles apart. Find the distance of a trip from the airport to city hall. __________ miles

Multiply. $40.57 \cdot 1,000$

Fill in the blank with the proper symbol ( , or = ) to make a true statement. $- 4.25$ $\underline { \quad\quad\quad\quad\quad }$ $3.48$

Multiply: $109.3 \cdot 0.00001$

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

Exam 4: Decimals

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

Evaluate the square root without using a calculator. 136\sqrt { \frac { 1 } { 36 } }361​​

Multiply. −18.31⋅1,000- 18.31 \cdot 1,000−18.31⋅1,000

Evaluate the expression without using a calculator. (0.88)(0.38)(0.68)(0.48)\frac { \left( 0.8 ^ { 8 } \right) \left( 0.3 ^ { 8 } \right) } { \left( 0.6 ^ { 8 } \right) \left( 0.4 ^ { 8 } \right) }(0.68)(0.48)(0.88)(0.38)​

A volume control is shown in the illustration below. If the distance between the low and high settings is 15 cm, how far apart are the equally spaced volume settings? __________ cm

Subtract. −47.79−(−33.345)- 47.79 - ( - 33.345 )−47.79−(−33.345)

After expenses of $52.15 were paid, a club donated $878.85 in proceeds from a pancake breakfast to a local health clinic. How much did the pancake breakfast gross?

Write the fraction in decimal form. Round to the nearest thousandth. 2645\frac { 26 } { 45 }4526​

Write the fraction in decimal form. Round to the nearest hundredth. 29\frac { 2 } { 9 }92​

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

Write the fraction in decimal form. 17128\frac { 17 } { 128 }12817​

Three years after opening an account that paid 6.45% annually, a depositor withdrew the $3,096 in interest earned. How much money was left in the account?

Divide and round the result to the nearest tenth. −5.427÷2.9- 5.427 \div 2.9−5.427÷2.9

Find the sum. (−0.1)+0.8( - 0.1 ) + 0.8(−0.1)+0.8

In the city map illustrated below, the streets form a grid. Each street is 0.24 miles apart. Find the distance of a trip from the airport to city hall. __________ miles

Multiply. 40.57⋅1,00040.57 \cdot 1,00040.57⋅1,000

Fill in the blank with the proper symbol ( , or = ) to make a true statement. −4.25- 4.25−4.25 ‾\underline { \quad\quad\quad\quad\quad }​ 3.483.483.48

Multiply: 109.3⋅0.00001109.3 \cdot 0.00001109.3⋅0.00001

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

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

Evaluate the square root without using a calculator. $\sqrt { \frac { 1 } { 36 } }$

Multiply. $- 18.31 \cdot 1,000$

Evaluate the expression without using a calculator. $\frac { \left( 0.8 ^ { 8 } \right) \left( 0.3 ^ { 8 } \right) } { \left( 0.6 ^ { 8 } \right) \left( 0.4 ^ { 8 } \right) }$

Subtract. $- 47.79 - ( - 33.345 )$

Write the fraction in decimal form. Round to the nearest thousandth. $\frac { 26 } { 45 }$

Write the fraction in decimal form. Round to the nearest hundredth. $\frac { 2 } { 9 }$

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

Write the fraction in decimal form. $\frac { 17 } { 128 }$

Divide and round the result to the nearest tenth. $- 5.427 \div 2.9$

Find the sum. $( - 0.1 ) + 0.8$

Multiply. $40.57 \cdot 1,000$

Fill in the blank with the proper symbol ( , or = ) to make a true statement. $- 4.25$ $\underline { \quad\quad\quad\quad\quad }$ $3.48$

Multiply: $109.3 \cdot 0.00001$