Question 1

Write the number 57,000,000,000,000 in scientific notation.

Accepted Answer

A)  $5.7 \times 10 ^ { 11 }$ 
B)  $5.7 \times 10 ^ { 12 }$ 
C)  $5.7 \times 10 ^ { 13 }$ 
D)  $5.7 \times 10 ^ { 14 }$ 
E)  $5.7 \times 10 ^ { 15 }$ 
A)  $5.7 \times 10 ^ { 11 }$ 
B)  $5.7 \times 10 ^ { 12 }$ 
C)  $5.7 \times 10 ^ { 13 }$ 
D)  $5.7 \times 10 ^ { 14 }$ 
E)  $5.7 \times 10 ^ { 15 }$

Question 2

Subtract: 5 - (-20) - 4 - 9

Accepted Answer

A)  20 
B)  -28 
C)  38 
D)  -38 
E)  12 
A)  20 
B)  -28 
C)  38 
D)  -38 
E)  12

Question 3

Find the absolute value of the number 20.

Accepted Answer

A)  -20 
B)  1 
C)  -1 
D)  20 
E)  0 
A)  -20 
B)  1 
C)  -1 
D)  20 
E)  0

Question 4

An IV infusion of 500 ml of a solution is set to infuse at a rate of 150 ml/h. How many hours will it take for this infusion to be completed?

Accepted Answer

A)  $3$ h 
B)  $3 \frac { 2 } { 75 }$ h 
C)  $3 \frac { 1 } { 3 }$ h 
D)  $3 \frac { 1 } { 30 }$ h 
E)  $3 \frac { 1 } { 25 }$ h 
A)  $3$ h 
B)  $3 \frac { 2 } { 75 }$ h 
C)  $3 \frac { 1 } { 3 }$ h 
D)  $3 \frac { 1 } { 30 }$ h 
E)  $3 \frac { 1 } { 25 }$ h

Question 5

A patient's weight loss can be recorded using negative numbers. A patient's weight loss in May was recorded as -7 lb. In June, the same patient's weight loss was recorded as -5 lb and in July, the patient's weight loss was recorded as -6 lb. During which month was the weight loss the greatest?

Accepted Answer

A)  May 
B)  July 
C)  April 
D)  June 
E)  March 
A)  May 
B)  July 
C)  April 
D)  June 
E)  March

Question 6

Evaluate $| - 21 |$ .

Accepted Answer

A)  -21 
B)  1 
C)  0 
D)  -1 
E)  21 
A)  -21 
B)  1 
C)  0 
D)  -1 
E)  21

Question 7

Evaluate -|9|.

Accepted Answer

A)  9 
B)  -9 
C)  0 
D)  -1 
E)  1 
A)  9 
B)  -9 
C)  0 
D)  -1 
E)  1

Question 8

What is the total of 20, -9, 1, and -13?

Accepted Answer

A)  -1 
B)  25 
C)  -41 
D)  43 
E)  17 
A)  -1 
B)  25 
C)  -41 
D)  43 
E)  17

Question 9

Simplify the following. $- \frac { 5 } { 11 } + \left( \frac { 1 } { 4 } \right) \div \left( - \frac { 1 } { 2 } \right)$

Accepted Answer

A)  $\frac { 1 } { 22 }$ 
B)  $- \frac { 21 } { 22 }$ 
C)  $- \frac { 1 } { 22 }$ 
D)  $\frac { 21 } { 22 }$ 
E)  $\frac { 22 } { 21 }$ 
A)  $\frac { 1 } { 22 }$ 
B)  $- \frac { 21 } { 22 }$ 
C)  $- \frac { 1 } { 22 }$ 
D)  $\frac { 21 } { 22 }$ 
E)  $\frac { 22 } { 21 }$

Question 10

Evaluate |-31|.

Accepted Answer

A)  -31 
B)  1 
C)  31 
D)  -1 
E)  0 
A)  -31 
B)  1 
C)  31 
D)  -1 
E)  0

Question 11

Place the correct symbol, , between the two numbers. |5| ____ |-3|

Accepted Answer

A) = B) > C) < A) = B) > C) <

Question 12

Add: -14 + (-4) + 3

Accepted Answer

A)  -7 
B)  21 
C)  -15 
D)  13 
E)  -18 
A)  -7 
B)  21 
C)  -15 
D)  13 
E)  -18

Question 13

Place the correct symbol, , between the two numbers. -29 ____ 18

Accepted Answer

A)   
A)

Question 14

Simplify the following expression. $\frac { 3 } { 7 } - \frac { 1 } { 2 }$

Accepted Answer

A)  $- \frac { 1 } { 14 }$ 
B)  $\frac { 29 } { 14 }$ 
C)  $\frac { 1 } { 14 }$ 
D)  $1$ 
E)  $\frac { 5 } { 11 }$ 
A)  $- \frac { 1 } { 14 }$ 
B)  $\frac { 29 } { 14 }$ 
C)  $\frac { 1 } { 14 }$ 
D)  $1$ 
E)  $\frac { 5 } { 11 }$

Write the number 57,000,000,000,000 in scientific notation.

Subtract: 5 - (-20) - 4 - 9

Find the absolute value of the number 20.

An IV infusion of 500 ml of a solution is set to infuse at a rate of 150 ml/h. How many hours will it take for this infusion to be completed?

A patient's weight loss can be recorded using negative numbers. A patient's weight loss in May was recorded as -7 lb. In June, the same patient's weight loss was recorded as -5 lb and in July, the patient's weight loss was recorded as -6 lb. During which month was the weight loss the greatest?

Evaluate $| - 21 |$ .

Evaluate -|9|.

What is the total of 20, -9, 1, and -13?

Simplify the following. $- \frac { 5 } { 11 } + \left( \frac { 1 } { 4 } \right) \div \left( - \frac { 1 } { 2 } \right)$

Evaluate |-31|.

Place the correct symbol, <, =, or >, between the two numbers. |5| ____ |-3|

Add: -14 + (-4) + 3

Place the correct symbol, < or >, between the two numbers. -29 ____ 18

Simplify the following expression. $\frac { 3 } { 7 } - \frac { 1 } { 2 }$

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Exam 11: Introduction to Algebra

Write the number 57,000,000,000,000 in scientific notation.

Subtract: 5 - (-20) - 4 - 9

Find the absolute value of the number 20.

An IV infusion of 500 ml of a solution is set to infuse at a rate of 150 ml/h. How many hours will it take for this infusion to be completed?

A patient's weight loss can be recorded using negative numbers. A patient's weight loss in May was recorded as -7 lb. In June, the same patient's weight loss was recorded as -5 lb and in July, the patient's weight loss was recorded as -6 lb. During which month was the weight loss the greatest?

Evaluate ∣−21∣| - 21 |∣−21∣ .

Evaluate -|9|.

What is the total of 20, -9, 1, and -13?

Simplify the following. −511+(14)÷(−12)- \frac { 5 } { 11 } + \left( \frac { 1 } { 4 } \right) \div \left( - \frac { 1 } { 2 } \right)−115​+(41​)÷(−21​)

Evaluate |-31|.

Place the correct symbol, <, =, or >, between the two numbers. |5| ____ |-3|

Add: -14 + (-4) + 3

Place the correct symbol, < or >, between the two numbers. -29 ____ 18

Simplify the following expression. 37−12\frac { 3 } { 7 } - \frac { 1 } { 2 }73​−21​

Whole Numbers

Fractions

Decimals

Ratio and Proportion

Percents

Applications for Business

Statistics and Probability

Us Units of Measurement

Metric System Measurement

Rational Numbers

Filters

Evaluate $| - 21 |$ .

Simplify the following. $- \frac { 5 } { 11 } + \left( \frac { 1 } { 4 } \right) \div \left( - \frac { 1 } { 2 } \right)$

Simplify the following expression. $\frac { 3 } { 7 } - \frac { 1 } { 2 }$