Question 1

A patient's temperature was 101.5°F at noon. Changes recorded during the afternoon temperature checks were +0.2° at 2 P.M. and -1.1° at 4 P.M. What was the patient's temperature at 4 P.M.?

Accepted Answer

A)   100.8°F
B)   99.5°F
C)   100.4°F
D)   100.6°F
E)   101.7°F D

Question 2

Place the correct symbol, , between the two numbers. |4| ____ |7|

Accepted Answer

A)   =
B)   
C)   > B

Question 3

Simplify: -4.8 + (-5.76)

Accepted Answer

A)   0.96
B)   -10.56
C)   -10.26
D)   -10.66
E)   -0.96 B

Question 4

A patient begins a new diet plan and each month records any change in weight using integers. Calculate the total change in the patient's weight using these recorded amounts: -6 lb, -3 lb, 2 lb, -5 lb, and -4 lb.

Accepted Answer

A)   15 lb
B)   -16 lb
C)   -17 lb
D)   17 lb
E)   16 lb

Question 5

Graph the numbers on the number line. -1 and 2

Accepted Answer

A)   
B)   
C)   
D)   
E)

Question 6

Simplify the following expression. $- \frac { 2 } { 11 } - \frac { 1 } { 2 }$

Accepted Answer

A)    1522\frac { 15 } { 22 }2215​ 
B)    122\frac { 1 } { 22 }221​ 
C)    −1522- \frac { 15 } { 22 }−2215​ 
D)    111 
E)    −122- \frac { 1 } { 22 }−221​

Question 7

If a patient's red blood cell count drops below the normal range of 3.6 × $10 ^ { 6 }$ cells/?l to 6.0 × $10 ^ { 6 }$ cells/?l , the patient is suffering from anemia. The red blood cell count of a patient is 3,200,000 cells/?l. Write this cell count in scientific notation. Is this patient anemic?

Accepted Answer

A)   32,000,000 cells/?l; yes
B)   3.2 ×  10610 ^ { 6 }106  cells/?l; no
C)   3.2 ×  10610 ^ { 6 }106  cells/?l; yes
D)   3.2 ×  10710 ^ { 7 }107  cells/?l; no
E)   3.2 ×  10510 ^ { 5 }105  cells/?l; yes

Question 8

Simplify the following expression. $\left( \frac { 3 } { 5 } \right) \div \left( - \frac { 4 } { 5 } \right)$

Accepted Answer

A)    −34- \frac { 3 } { 4 }−43​ 
B)    310\frac { 3 } { 10 }103​ 
C)    34\frac { 3 } { 4 }43​ 
D)    −37- \frac { 3 } { 7 }−73​ 
E)    37\frac { 3 } { 7 }73​

Question 9

Find the opposite number of -25.

Accepted Answer

A)    −25- 25−25 
B)    252525 
C)   -  125\frac { 1 } { 25 }251​ 
D)    125\frac { 1 } { 25 }251​ 
E)    000

Question 10

A patient's weight loss can be recorded using negative numbers. A patient's weight loss in November was recorded as -3 lb. In December, the same patient's weight loss was recorded as -1 lb and in January, the patient's weight loss was recorded as -2 lb. During which month was the weight loss the greatest?

Accepted Answer

A)   November
B)   January
C)   October
D)   December
E)   September

Question 11

Simplify the following. $( 3.4 ) ^ { 2 } - 5 \times 3.2$

Accepted Answer

A)   9.2
B)   -9.2
C)   -4.44
D)   4.44
E)   20.992

Question 12

Multiply: 4(-2)(-5)

Accepted Answer

A)   -3
B)   7
C)   -13
D)   14
E)   40

Question 13

The patients enrolled in a clinical trial for a new weight-loss drug had a combined weight loss of -15 lb during the first month. During the second month of the clinical trial, the patients lost twice as much weight as they had the first month. What was their combined weight loss the second month?

Accepted Answer

A)   +15 lb
B)   -29lb
C)   -28 lb
D)   -30 lb
E)   +28lb

Question 14

A patient's temperature was 103°F at noon. By 2 P.M., the patient's temperature had fallen 4°F (-4°) but at 5 P.M., it had risen 2° (+2°). What was the patient's temperature at 5 P.M.?

Accepted Answer

A)   106°F
B)   104°F
C)   94°F
D)   101°F
E)   92°F

Question 15

Find the quotient of -45 and -15.

Accepted Answer

A)   -60
B)   -30
C)   3
D)   60
E)   -3

Question 16

Find the absolute value of the number 3.

Accepted Answer

A)   -3
B)   1
C)   -1
D)   3
E)   0

Question 17

Place the correct symbol, , between the two numbers. |6| ____ |1|

Accepted Answer

A)   =
B)   >
C)   <

Question 18

Write the mass of Earth, which is approximately 5,980,000,000,000,000,000,000,000 kg, in scientific notation.

Accepted Answer

A)    5.98×10215.98 	imes 10 ^ { 21 }5.98×1021 
B)    5.98×10255.98 	imes 10 ^ { 25 }5.98×1025 
C)    5.98×10235.98 	imes 10 ^ { 23 }5.98×1023 
D)    5.98×10245.98 	imes 10 ^ { 24 }5.98×1024 
E)    5.98×10225.98 	imes 10 ^ { 22 }5.98×1022

Question 19

Simplify: $- 4.6 \times 9.1$

Accepted Answer

A)   4.5
B)   -41.86
C)   -13.7
D)   -4.5
E)   41.86

Question 20

Simplify the following expression. $\left( \frac { 14 } { 19 } \right) \left( - \frac { 1 } { 4 } \right) \left( - \frac { 8 } { 17 } \right)$

Accepted Answer

A)    −28323- \frac { 28 } { 323 }−32328​ 
B)    2857\frac { 28 } { 57 }5728​ 
C)    2885\frac { 28 } { 85 }8528​ 
D)    28323\frac { 28 } { 323 }32328​ 
E)    −2885- \frac { 28 } { 85 }−8528​

Exam 10: Rational Numbers

A patient's temperature was 101.5°F at noon. Changes recorded during the afternoon temperature checks were +0.2° at 2 P.M. and -1.1° at 4 P.M. What was the patient's temperature at 4 P.M.?

Place the correct symbol, <, =, or >, between the two numbers. |4| ____ |7|

Simplify: -4.8 + (-5.76)

A patient begins a new diet plan and each month records any change in weight using integers. Calculate the total change in the patient's weight using these recorded amounts: -6 lb, -3 lb, 2 lb, -5 lb, and -4 lb.

Graph the numbers on the number line. -1 and 2

Simplify the following expression. $- \frac { 2 } { 11 } - \frac { 1 } { 2 }$

If a patient's red blood cell count drops below the normal range of 3.6 × $10 ^ { 6 }$ cells/?l to 6.0 × $10 ^ { 6 }$ cells/?l , the patient is suffering from anemia. The red blood cell count of a patient is 3,200,000 cells/?l. Write this cell count in scientific notation. Is this patient anemic?

Simplify the following expression. $\left( \frac { 3 } { 5 } \right) \div \left( - \frac { 4 } { 5 } \right)$

Find the opposite number of -25.

Simplify the following. $( 3.4 ) ^ { 2 } - 5 \times 3.2$

Multiply: 4(-2) (-5)

The patients enrolled in a clinical trial for a new weight-loss drug had a combined weight loss of -15 lb during the first month. During the second month of the clinical trial, the patients lost twice as much weight as they had the first month. What was their combined weight loss the second month?

A patient's temperature was 103°F at noon. By 2 P.M., the patient's temperature had fallen 4°F (-4°) but at 5 P.M., it had risen 2° (+2°) . What was the patient's temperature at 5 P.M.?

Find the quotient of -45 and -15.

Find the absolute value of the number 3.

Place the correct symbol, <, =, or >, between the two numbers. |6| ____ |1|

Write the mass of Earth, which is approximately 5,980,000,000,000,000,000,000,000 kg, in scientific notation.

Simplify: $- 4.6 \times 9.1$

Simplify the following expression. $\left( \frac { 14 } { 19 } \right) \left( - \frac { 1 } { 4 } \right) \left( - \frac { 8 } { 17 } \right)$

Exam 10: Rational Numbers

A patient's temperature was 101.5°F at noon. Changes recorded during the afternoon temperature checks were +0.2° at 2 P.M. and -1.1° at 4 P.M. What was the patient's temperature at 4 P.M.?

Place the correct symbol, <, =, or >, between the two numbers. |4| ____ |7|

Simplify: -4.8 + (-5.76)

A patient begins a new diet plan and each month records any change in weight using integers. Calculate the total change in the patient's weight using these recorded amounts: -6 lb, -3 lb, 2 lb, -5 lb, and -4 lb.

Graph the numbers on the number line. -1 and 2

Simplify the following expression. −211−12- \frac { 2 } { 11 } - \frac { 1 } { 2 }−112​−21​

Simplify the following expression. (35) ÷(−45) \left( \frac { 3 } { 5 } \right) \div \left( - \frac { 4 } { 5 } \right) (53​) ÷(−54​)

Find the opposite number of -25.

Simplify the following. (3.4) 2−5×3.2( 3.4 ) ^ { 2 } - 5 \times 3.2(3.4) 2−5×3.2

Multiply: 4(-2) (-5)

The patients enrolled in a clinical trial for a new weight-loss drug had a combined weight loss of -15 lb during the first month. During the second month of the clinical trial, the patients lost twice as much weight as they had the first month. What was their combined weight loss the second month?

A patient's temperature was 103°F at noon. By 2 P.M., the patient's temperature had fallen 4°F (-4°) but at 5 P.M., it had risen 2° (+2°) . What was the patient's temperature at 5 P.M.?

Find the quotient of -45 and -15.

Find the absolute value of the number 3.

Place the correct symbol, <, =, or >, between the two numbers. |6| ____ |1|

Write the mass of Earth, which is approximately 5,980,000,000,000,000,000,000,000 kg, in scientific notation.

Simplify: −4.6×9.1- 4.6 \times 9.1−4.6×9.1

Simplify the following expression. (1419) (−14) (−817) \left( \frac { 14 } { 19 } \right) \left( - \frac { 1 } { 4 } \right) \left( - \frac { 8 } { 17 } \right) (1914​) (−41​) (−178​)

Simplify the following expression. $- \frac { 2 } { 11 } - \frac { 1 } { 2 }$

Simplify the following expression. $\left( \frac { 3 } { 5 } \right) \div \left( - \frac { 4 } { 5 } \right)$

Simplify the following. $( 3.4 ) ^ { 2 } - 5 \times 3.2$

Simplify: $- 4.6 \times 9.1$

Simplify the following expression. $\left( \frac { 14 } { 19 } \right) \left( - \frac { 1 } { 4 } \right) \left( - \frac { 8 } { 17 } \right)$