Question 1

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

Accepted Answer

A)   0.7
B)   1.2
C)   0.8
D)   0.5
E)   1.3 F) A) and E)
G) None of the above

Question 2

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 3

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 4

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

Accepted Answer

A)   0.576
B)   0.5778
C)   0.678
D)   0.478
E)   0.578 F) C) and D)
G) A) and B)

Question 5

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

Accepted Answer

A)   0.22
B)   0.2
C)   0.222
D)   0.12
E)   0.32 F) All of the above
G) C) and E)

Question 6

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)   $921F) B) and E)
G) C) and D)

Question 7

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

Accepted Answer

A) −4.25<3.48- 4.25 < 3.48−4.25<3.48 B) −3.48=3.48- 3.48 = 3.48−3.48=3.48 C) 4.25=−4.254.25 = - 4.254.25=−4.25 D) 3.48">−4.25>3.48- 4.25 > 3.48−4.25>3.48 E) −4.25=3.48- 4.25 = 3.48−4.25=3.48F) C) and D) G) A) and B)

Question 8

Multiply:  109.3⋅0.00001109.3 \cdot 0.00001109.3⋅0.00001

Accepted Answer

A)   0.001093
B)   10,930,000
C)   0.0001093
D)   0.01093 E) All of the above
F) B) and D)

Question 9

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)   $14,000F) A) and B)
G) A) and E)

Question 10

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

Accepted Answer

A)   0.1563125
B)   0.2328125
C)   0.1228125
D)   0.1328125
E)   0.1326125 F) A) and B)
G) B) and C)

Question 11

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 secondsF) A) and E)
G) A) and D)

Question 12

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

Accepted Answer

A)    136\frac { 1 } { 36 }361​ 
B)    −136- \frac { 1 } { 36 }−361​ 
C)    12\frac { 1 } { 2 }21​ 
D)    110\frac { 1 } { 10 }101​ 
E)    16\frac { 1 } { 6 }61​F) B) and C)
G) C) and D)

Question 13

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

Accepted Answer

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

Question 14

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 15

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

Accepted Answer

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

Question 16

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

Accepted Answer

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

Question 17

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

Accepted Answer

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

Question 18

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) ​

Accepted Answer

A)   0.1
B)   0.4
C)   1
D)   10 E) B) and C)
F) A) and D)

Question 19

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

Accepted Answer

A)   260
B)   250
C)   240
D)   270 E) A) and B)
F) B) and C)

Question 20

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...

Exam 4: Decimals

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?

Correct Answer
verified

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

Correct Answer
verified

Subtract. $- 47.79 - ( - 33.345 )$

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

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

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

Correct Answer
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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?

Correct Answer
verified

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

Correct Answer
verified

Multiply. $- 18.31 \cdot 1,000$

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

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

Correct Answer
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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

Correct Answer
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Correct Answer
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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?

Correct Answer
verified

Multiply: $109.3 \cdot 0.00001$

Correct Answer
verified

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

Correct Answer
verified

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

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

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

Correct Answer
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Multiply. $40.57 \cdot 1,000$

Correct Answer
verified

Exam 4: Decimals

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?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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) ​

Correct AnswerverifiedShow Answer

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?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Multiply: 109.3⋅0.00001109.3 \cdot 0.00001109.3⋅0.00001

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Correct Answer
verified

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

Correct Answer
verified

Subtract. $- 47.79 - ( - 33.345 )$

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
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Correct Answer
verified

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

Correct Answer
verified

Multiply. $- 18.31 \cdot 1,000$

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

Correct Answer
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Correct Answer
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Correct Answer
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Multiply: $109.3 \cdot 0.00001$

Correct Answer
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Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

Multiply. $40.57 \cdot 1,000$

Correct Answer
verified