Free Printable 7th -Midterm Review

1.

What is the integer for the situation: a $75 deposit

a)

+75

b)

-75

c)

75+5

d)

75-5

2.

Write an integer for: a 21-pound loss

a)

-21

b)

21

c)

+21

d)

21-0

3.

Write an integer for: a $40 deduction

a)

-40

b)

40

c)

40-1

d)

40-0

4.

Which is the larger number? -13 or 0

a)

13

b)

0

5.

Which is smaller -26 or -28

a)

-28

b)

26

6.

$\left|-8\right|$ What is the value of

a)

8

b)

-8

7.

$\left|9\right|$ What is the value of

a)

9

b)

-9

8.

Integers are

a)

all positive numbers only.

b)

all negative numbers only.

c)

all counting numbers and their opposites

d)

percentages, fractions, & square root.

9.

Which set of integers are in order from greatest to least.

a)

-15, -16, -17, -18, -19

b)

3, 2, 1, 0, -1

c)

-2, -57, 0, 8, -23

d)

√7, 5.16, 3/4, -8

10.

Which set of integers are in order from least to greatest?

a)

3, -8, 0, -3, 11

b)

-1, 0, 1, 2, 3,

c)

-11, -12, -13, -14, -15

d)

4, 3, 2, 1, 0

11.

Which is bigger?

a)

-2

b)

-12

12.

Which is bigger?

a)

-7

b)

-8

13.

Negative integers are ____ than zero

a)

greater

b)

less

c)

bigger

14.

Positive integers are ____ than zero

a)

greater

b)

less

c)

smaller

15.

The integer -250 ______ 15

a)

is greater than

b)

is less than

c)

is equal to

16.

The integer 15 is ______ 16

a)

=

b)

is less than

c)

is greater than

17.

Which integer is less? -15 or 3

(a)

18.

-1 is less than -5

a)

True

b)

False

19.

Which is bigger?

a)

-2

b)

-12

20.

5 is greater than -10

a)

True

b)

False

21.

Order these integers from least to greatest

-4, 4, -3, 5, -25

a)

-25, 5, -3, 4, -4

b)

-25, -4, -3, 4, 5

c)

5, 4, -3, -4, -25

22.

Which of the following are arranged from least to greatest?

a)

-4, -6, 2, 4

b)

-8, -5, -3, -1

c)

2, 0, 1, 3, 5

d)

-8, -1, 3, 7, 5

23.

Put the numbers in order from LEAST TO GREATEST (small to big).

-5, 0, 4, -3

a)

-5, -3, 0, 4

b)

-3, -5. 0, 4

c)

-5, -3, 4, 0

24.

Put the numbers in order from LEAST TO GREATEST (small to big).

2, -2, 4, 5

a)

5, 4, 2, -2

b)

-2, 2, 4, 5

c)

-2, 5, 4, 2

25.

Put the numbers in order from LEAST TO GREATEST (small to big).

0, -5, 3, 2

a)

0, -5, 3, 2

b)

-5, 0, 2, 3

c)

0, -5, 2, 3

26.

What is an integer?

a)

All positive and negative numbers.

b)

All positive numbers starting with 1.

c)

All positive numbers starting with 0.

d)

Anything that can be written as a fraction.

27.

Which is greater?
-9 or -3

a)

-3

b)

-9

c)

they are equal

28.

Which is bigger?

a)

-1

b)

1

29.

Which is bigger?

a)

-3

b)

1

30.

Solve the following:

-12 ÷ 6 (-3) + 8

a)

14

b)

2

c)

-22

d)

3

31.

Solve the following:
8 + (-4) ÷ 4

a)

-7

b)

1

c)

-1

d)

7

32.

Solve the following:
6(-3) - 2

a)

1

b)

-16

c)

-20

d)

20

33.

True or False?
2(-3) + 10 = 9

a)

True

b)

False

34.

Solve the following:
-5 (- 6) + 10

a)

-1

b)

40

c)

-20

d)

21

35.

Find and explain the error.
5 - 3 + 2
5 - 5
0

a)

There is no error.

b)

Addition was done first and you should have subtracted first

c)

There is a subtraction error

36.

True or False?
2 + (-6)2 = -10

a)

True

b)

False

37.

What are the steps to solve the following expression?
50 − 16 ÷ 2

a)

add, multiply

b)

subtract, divide

c)

divide, subtract

d)

subtract, multiply

38.

Solve the following:
3 + 27 ÷ (-3)

a)

-6

b)

-10

c)

10

d)

-12

39.

Solve the following:
25 ÷ 5 × 3 – 3

a)

12

b)

2

c)

0

d)

300

40.

What would be the 2nd step in solving this problem:
-12 ÷ 6 + -3 ∘ 7

a)

multiplication

b)

subtraction

c)

addition

d)

division

41.

Solve the following:
-14 ÷ 2 – 15

a)

-8

b)

-22

c)

8

d)

22

42.

What would be my first step in solving this problem?
3 + 4 ∗ 6 - 4

a)

addition

b)

multiplication

c)

subtraction

d)

exponents

43.

2 + (9²- 4)

a)

16

b)

77

c)

79

44.

2 ÷ 1 + 2 + 9 ÷ 9

a)

13/9

b)

5

c)

1 1/3

d)

13

45.

2 ÷ 1 + 2 + 9 ÷ 9

a)

13/9

b)

5

c)

1 1/3

d)

13

46.

Simplify the following:
-8 + (15 - 3) ÷ 4

a)

-5

b)

1

c)

-11

d)

11

47.

Solve the following:
-8 + (15-3) ÷ 4

a)

-5

b)

1

c)

-11

d)

11

48.

6 + (4)3

a)

18

b)

30

c)

13

d)

42

49.

4(8) ÷ (8 − 6)

a)

-2

b)

18

c)

-1

d)

16

50.

Solve the following:
(2 + 7 - 1) ÷ 2²

a)

16

b)

2

c)

72.25

d)

8.75

51.

(7 + 41) ÷ 2 – 15

a)

19

b)

9

c)

25

d)

3

52.

Simplify the following:
5 - 6² ÷ 4 - 3

a)

1

b)

-10.75

c)

-31

d)

-7

53.

10 + 45 ÷ 9 -(14 ÷ 2) =

a)

9

b)

7

c)

53

d)

18

54.

40 - 2⁴ + 8

a)

40

b)

32

c)

24

d)

42

55.

2 + (9²- 4)

a)

16

b)

77

c)

79

d)

88

56.

2² + 3²x (7+1)

a)

77

b)

76

c)

78

d)

79

57.

Simplify the following:
-2 ⋅ (3 + 8 ÷ 4)²

a)

-16

b)

1.375

c)

4

d)

-50

58.

90 - 5² x 3

a)

15

b)

240

c)

195

59.

(82 ÷ 2) × 3 – 17

a)

206

b)

100

c)

106

d)

5

60.

-7(10)=

a)

70

b)

700

c)

-70

d)

-700

61.

-3(-4)

a)

-12

b)

7

c)

-7

d)

12

62.

-7 + (-4) =

a)

-3

b)

11

c)

-11

d)

-3

63.

-2 - (-8)

a)

6

b)

-6

c)

-10

d)

10

64.

0 - 16

a)

16

b)

0

c)

-16

d)

5

65.

-10+4

a)

-14

b)

14

c)

-6

d)

6

66.

-20+(-11)

a)

31

b)

9

c)

-9

d)

-31

67.

-12 + 9

a)

21

b)

3

c)

-3

d)

-21

68.

-9 + 9

a)

18

b)

-18

c)

0

d)

81

69.

Find and explain the error.
5 - 3 + 2
5 - 5
0

a)

There is no error.

b)

Addition was done first and you should have subtracted first

c)

There is a subtraction error

70.

Solve the following:
5 - 6² ÷ 4 - 3

a)

1

b)

-10.75

c)

-31

d)

-7

71.

Solve the following:
91 + 27 ÷ (72 ÷ 24)

a)

100

b)

96

c)

90

d)

127

72.

4 + [5² + (-4 - 1)] ÷ 10

a)

2.4

b)

4

c)

6

d)

7

73.

(2 + 7 - 1) ÷ 2²

a)

16

b)

2

c)

72.25

d)

8.75

74.

5 - 6² ÷ 4 - 3

a)

1

b)

-10.75

c)

-31

d)

-7

75.

Which operation must be performed first?
5² + (9 - 1) ÷ 4 × 10 + 1

a)

5²

b)

9 - 1

c)

4 × 10

d)

10 + 1

76.

True or False:
5(-2) - 3 = -7

a)

True

b)

False

77.

(-2) × 4 - 3²

a)

-17

b)

1

c)

-1

d)

17

78.

Which operation cannot be performed first?
6² + (-1 - 8) + 5 - 7(3 - 4)

a)

6²

b)

-1 - 8

c)

5 - 7

d)

3 - 4

79.

True or false: all addition must be simplified before any subtraction

a)

True

b)

False

80.

-8(2 - 5) ÷ (-4)

a)

-6

b)

6

c)

8

d)

-8

81.

12 - (-4)_² + 4

a)

32

b)

8

c)

-8

d)

0

82.

$13c\ +\ 8\ =\ 47$

(a)

83.

What is the first step in solving this equation:
5x + 7 = 12

a)

Divide by 5

b)

Subtract 5

c)

Multiply by 7

d)

Subtract 7

84.

Solve:
3(x - 2) = 18

a)

6.7

b)

4

c)

8

d)

-4

85.

2x - 3 + 4x = 27

a)

12

b)

4

c)

5

d)

15

86.

Find the error in the problem below
19 - 2k = 3k - 1
+3k +3k
19 + 1k = -1
-19 -19
k = -20

a)

They should have divided by 1 for the last step

b)

They should add 19 instead of subtracting 19

c)

I can not find an error

d)

Instead of adding 3k they should subtract 3k

87.

$\frac{u}{9}-4=3$

(a)

88.

$-3x+5+9x=-19$

(a)

89.

Solve for x

a)

x = -3.2

b)

x = 2.8

c)

x = -2

d)

x = 2

90.

Solve:
6(5x - 3) + 2 = 14

a)

2

b)

.5

c)

-1

d)

1

91.

Solve: x + 3x - 2x = 12

a)

2

b)

6

c)

-2

d)

-6

92.

Solve:
7x - 3x - 8 = 24

a)

8

b)

-8

c)

3.2

d)

4

93.

Which operation will cancel out multiplication?

a)

A. Addition

b)

B. Subtraction

c)

C. Multiplication

d)

D. Division

94.

Solve for w:
-6w + 1 = -11

a)

2

b)

1.2

c)

12

d)

-2

95.

$-8f+2\left(-2f+4\right)=68$

(a)

96.

3x + 2(4x - 4) = 3

a)

4

b)

3

c)

2

d)

1

97.

-(n - 8) = -2

a)

6

b)

10

c)

-10

d)

-6

98.

What is the first step to solve this equation?
19 = x - 5

a)

Subtract 5 from both sides

b)

Subtract 5 from one side and add 5 to the other

c)

Add 5 to both sides

d)

Subtract 5 from one side

99.

Solve the equation:
^x/₃+ 10 = 15

a)

75

b)

15

c)

25

d)

5

100.

Which graph matches the inequality
k < 3?

a)

A

b)

B

c)

C

d)

D

101.

Which graph matches the inequality
r ≥ -6?

a)

A

b)

B

c)

C

d)

D

102.

Which inequality matches the graph?

a)

A

b)

B

c)

C

d)

D

103.

Which inequality matches the graph?

a)

A

b)

B

c)

C

d)

D

104.

When graphing b < 6 would you use an open or closed circle?

a)

Open

b)

closed

105.

When graphing b ≤ 6 would you use an open or closed circle?

a)

Open

b)

closed

106.

What inequality does the number line graph represent?

a)

x ≤ 4

b)

x ≥ -4

c)

x < -4

d)

x < 4

107.

What inequality does the number line graph represent?

a)

x ≥ 3

b)

x > 3

c)

x < -3

d)

x ≤ -3

108.

There are more than twenty students in the hallway.

a)

s>20

b)

s<20

c)

s=20

d)

The number of students in the hallway cannot be represented by any of the above choices.

109.

Which of the following could be a solution to the inequality?

m < 25

a)

m = 30

b)

m = 25

c)

m = − 91

d)

m = 27

110.

You can spend no more than 20 dollars on your mom's birthday present. Which inequality represents this situation?

a)

x > 20

b)

x < 20

c)

x ≤ 20

d)

x ≥ 20

111.

you must be at least 48 inches to ride the roller coaster. Which inequality represents this situation?

a)

x > 48

b)

x < 48

c)

x ≤ 48

d)

x ≥ 48

112.

When you graph an inequality, you use a closed circle when you use which symbols?

a)

≤, ≥

b)

<, >

c)

≤, <

d)

≥, >

113.

Match the graph with its inequality.

a)

a > 11

b)

a < 11

c)

a ≥ 11

d)

a ≤ 11

114.

Pick the correct letter for:
6 > x

a)

A

b)

B

c)

C

d)

D

115.

Zach can spend at most $100 on new cloths. Which inequality represents this situation?

a)

s < 100

b)

s > 100

c)

s ≤ 100

d)

s ≥ 100

116.

The band practice will be less than 45 minutes long on Friday. Which inequality represents this situation?

a)

p < 45

b)

p > 45

c)

p ≤ 45

d)

p ≥ 45

117.

Mike has at least $250 in his savings account. Which inequality represents this situation?

a)

m < 250

b)

m > 250

c)

m ≤ 250

d)

m ≥ 250

118.

"is larger than"

a)

>

b)

<

c)

> or =

d)

< or =

119.

"at most"

a)

>

b)

<

c)

> or =

d)

< or =

120.

"minimum"

a)

>

b)

<

c)

> or =

d)

< or =

121.

"is below"

a)

>

b)

<

c)

> or =

d)

< or =

122.

"is not more than"

a)

>

b)

<

c)

> or =

d)

< or =

123.

"at least"

a)

>

b)

<

c)

> or =

d)

< or =

124.

"maximum"

a)

>

b)

<

c)

> or =

d)

< or =

125.

x is smaller than 9

a)

x < 9

b)

9 < x

126.

The cost of a ski trip could be more than, or equal to, $3,200.

a)

x < 3200

b)

x > 3200

c)

x ≤ 3200

d)

x ≥ 3200

127.

Bella has less than 6 apples in her basket.

a)

a < 6

b)

a > 6

c)

a ≤ 6

d)

a ≥ 6

128.

Monica wants to spend at most $40 at the county fair. Entrance to the fair costs $15. She can spend d dollars on other things at the fair. Which inequality can be used to find the possible values of d?

a)

d − 15 > 40

b)

d − 15 < 40

c)

d + 15 ≥ 40

d)

d + 15 ≤ 40

129.

The vet told Casey that her dog should weigh at most 70 lbs. Her dog weighs 106 pounds, so Casey set a goal that he would lose 4 pounds per week. Which inequality represents the number of weeks it take for Casey's dog to reach 70 lbs?

a)

106 - 4x ≤ 70

b)

70 + 4x ≤ 106

c)

4x - 106 ≥ 70

d)

106 - 4x< 70

130.

Juan bought a soda for $2. He also bought some nachos for $3 each. Juan did not spend more than $14 on the nachos and the soda. Write an inequality can be used to find n, the number of nachos that Juan could have bought.

a)

14≥2n+3

b)

2+3n≤14

c)

14-3n≤2

131.

Daniel can spend no more than $40 at the fair. If admission into the fair is $10 and the rides cost $1.50 each, which inequality represents the greatest number of rides Daniel can go on?

a)

10x + 1.50 ≥ 40

b)

1.50x + 10 ≤ 40

c)

1.50x + 10 <40

d)

10x + 1.50 < 40

132.

When you graph an inequality, you used a closed dot when you use which symbols?

a)

≤, ≥

b)

<, >

c)

≤, <

d)

≥, >

133.

Solve each inequality.

a)

$n>-2.5$

b)

$n>-1.5$

c)

$n>3$

d)

$n>3.5$

134.

You flip an inequality symbol when you...

a)

subtract

b)

multiply and divide only

c)

multiple by a negative number

d)

multiple or divide by a negative number

135.

-4x + 14 ≤ 54

a)

x ≥ - 10

b)

x ≤ -10

c)

x ≥ 10

d)

x ≤ 10

136.

Which graph matches the inequality
k < 3?

a)

A

b)

B

c)

C

d)

D

137.

Solve.

a)

a > -24

b)

a > 6

c)

a > -36

d)

a > -10

138.

Pick the correct letter for:

x - 14 < -8

a)

A

b)

B

c)

C

d)

D

139.

Which of the following situations shows the need to flip the inequality sign?

a)

$3x<-9$

b)

$\frac{x}{-4}>8$

c)

$x-2\le-4$

d)

$x--1\ge6$

140.

9 ≥ -2m + 2 − 3

a)

m ≤ 5

b)

m ≤ -5

c)

m ≥ -5

d)

m ≥ 5

141.

-p − 4p > -10

a)

p > -2

b)

p > 2

c)

p < -2

d)

p < 2

142.

What value for p makes the following sentence true?

3p + 3 = 18

a)

9

b)

5

c)

7

d)

45

143.

What value for p makes the following sentence true?

3p + 3 = 18

a)

9

b)

5

c)

7

d)

45

144.

6(n + 2) < -72

a)

n < -14

b)

n < 35/3

c)

n < -10

d)

∞

145.

-4x -7 ≥ 21

a)

x ≤ -7

b)

x ≥ -7

c)

x ≤ 8

d)

x ≤ -8

146.

11 > -3y + 2

a)

y>3

b)

y<3

c)

y>-3

d)

y<-3

147.

Solve:
3(3x - 6) = 18

a)

x = 4

b)

x = -4

c)

no solution

d)

infinite solutions

148.

Solve the inequality. Don't forget to check your solution set.
12 ≥ 15 - 6y

a)

y ≤ ½

b)

y ≤ 2

c)

y ≥ ½

d)

y ≥ 2

149.

-4x + 14 ≤ 54

a)

x ≥ - 10

b)

x ≤ -10

c)

x ≥ 10

d)

x ≤ 10

150.

a)

a ≥ 4

b)

a ≥ -4

c)

a ≤ 4

d)

a ≤ -4

151.

You want to spend at most $1200 on a new laptop. If you make a $400 down payment, then pay the same amount every month for 12 months. Which Inequality could be use to solve to find out how much you can pay each month.

a)

12x + 1200 > 400

b)

12x + 400 < 1200

c)

12x + 400 > 1200

d)

12x + 400 < 1200

152.

-3 − 6(4x + 6) > -111

a)

x > 3

b)

x < 3

c)

x < -3

d)

x > -3

153.

Determine if the number is rational (R) or irrational (I).

$\sqrt[]{81}$

a)

Rational (R)

b)

Irrational (I)

154.

Determine if the number is rational (R) or irrational (I).

$56.5\overline{191}$

a)

Rational (R)

b)

Irrational (I)

155.

Determine if the number is rational (R) or irrational (I).

$\sqrt[]{83}$

a)

Rational (R)

b)

Irrational (I)

156.

Determine if the number is rational (R) or irrational (I).

$24\pi$

a)

Rational (R)

b)

Irrational (I)

157.

Determine if the number is rational (R) or irrational (I).

$90.790170......$

a)

Rational (R)

b)

Irrational (I)

158.

Determine if the number is rational (R) or irrational (I).

$\frac{60}{52}$

a)

Rational (R)

b)

Irrational (I)

159.

Determine if the number is rational (R) or irrational (I).

$22$

a)

Rational (R)

b)

Irrational (I)

160.

Determine if the number is rational (R) or irrational (I).

$70.300722$

a)

Rational (R)

b)

Irrational (I)

161.

Determine if the number is rational (R) or irrational (I).

$\frac{14}{1}$

a)

Rational (R)

b)

Irrational (I)

162.

Determine if the number is rational (R) or irrational (I).

$\sqrt[]{21}$

a)

Rational (R)

b)

Irrational (I)

163.

Determine if the number is rational (R) or irrational (I).

$\frac{23}{24}$

a)

Rational (R)

b)

Irrational (I)

164.

Determine if the number is rational (R) or irrational (I).

$1\frac{1}{2}$

a)

Rational (R)

b)

Irrational (I)

165.

Determine if the number is rational (R) or irrational (I).

$\sqrt[]{64}$

a)

Rational (R)

b)

Irrational (I)

166.

Determine if the number is rational (R) or irrational (I).

$\sqrt[]{109}$

a)

Rational (R)

b)

Irrational (I)

167.

Determine if the number is rational (R) or irrational (I).

$82.208701......$

a)

Rational (R)

b)

Irrational (I)

168.

Determine if the number is rational (R) or irrational (I).

$\sqrt[]{1}$

a)

Rational (R)

b)

Irrational (I)

169.

Determine if the number is rational (R) or irrational (I).

$11.236\overline{54}$

a)

Rational (R)

b)

Irrational (I)

170.

Determine if the number is rational (R) or irrational (I).

$\frac{8}{9}$

a)

Rational (R)

b)

Irrational (I)

171.

Determine if the number is rational (R) or irrational (I).

$19.525305$

a)

Rational (R)

b)

Irrational (I)

172.

Determine if the number is rational (R) or irrational (I).

$25.12345....$

a)

Rational (R)

b)

Irrational (I)

173.

Determine if the number is rational (R) or irrational (I).

$-4\frac{4}{5}$

a)

Rational (R)

b)

Irrational (I)

174.

Determine if the number is rational (R) or irrational (I).

$\sqrt[]{3600}$

a)

Rational (R)

b)

Irrational (I)

175.

Determine if the number is rational (R) or irrational (I).

$7.787887888...$

a)

Rational (R)

b)

Irrational (I)

176.

Determine if the number is rational (R) or irrational (I).

$0$

a)

Rational (R)

b)

Irrational (I)

177.

Determine if the number is rational (R) or irrational (I).

$-5$

a)

Rational (R)

b)

Irrational (I)

178.

Convert the fraction into a decimal: 1/4

a)

.25

b)

1.4

c)

.5

d)

4.1

179.

Convert the fraction into a decimal: 2/5

a)

.25

b)

.40

c)

2.5

d)

5.2

180.

Convert the fraction into a decimal: 1/10

a)

.10

b)

1.0

c)

10.0

d)

.01

181.

Convert the fraction into a decimal: 4/5

a)

.45

b)

5.4

c)

.80

d)

4.5

182.

Convert the fraction into a decimal: 3/4

a)

.75

b)

3.4

c)

.34

d)

4.3

183.

Convert the fraction into a decimal: 2/3

a)

.66 (repeating)

b)

2.3

c)

3.2

d)

.33 (repeating)

184.

Convert the fraction into a decimal: 1/3

a)

.66 (repeating)

b)

1.3

c)

.13

d)

.33 (repeating)

185.

Convert the fraction into a decimal: 3/5

a)

.60

b)

.35

c)

3.5

d)

5.3

186.

Convert the fraction into a decimal: 1/5

a)

.80

b)

.20

c)

1.5

d)

5.1

187.

Convert the fraction into a decimal: 1/2

a)

1.2

b)

.50

c)

2.1

d)

.12

188.

$\frac{14}{25}\ =$

a)

0.65

b)

0.56

c)

0.14

d)

0.25

189.

The library is $\frac{24}{25}$ mile away from Jose’s home. Express this distance as a decimal

a)

0.25

b)

0.24

c)

0.96

d)

0.69

190.

Jessie completed $\frac{3}{10}$ of her math homework.

What is the equivalent decimal of this fraction?

a)

0.10

b)

0.33

c)

0.13

d)

0.3

191.

Daniel thinks $\frac{7}{8}$ is the same as 0.78.

a)

True

b)

False

192.

MaryAnn spends $\frac{5}{20}$ of her allowance on clothes.

Is this fraction equal to 0.25?

a)

True

b)

False

193.

$what\ is\ \frac{8}{10}\ as\ a\ decimal?$

a)

0.8

b)

0.08

c)

0.008

d)

8.0

194.

Change from standard form to scientific notation: 12,000,000

a)

12.0 x 10⁷

b)

0.12 x 10⁷

c)

1.2 x 10⁶

d)

1.2 x 10⁷

195.

Change from standard form to scientific notation: 450,000

a)

4.5 x 10⁵

b)

45 x 10⁵

c)

4.5 x 10⁴

d)

4.5 x 10⁶

196.

Change from standard form to scientific notation: 0.000398

a)

39.8 x 10^-5

b)

3.98 x 10^-5

c)

3.98 x 10^-4

d)

39.8 x 10^-6

197.

Change from standard form to scientific notation: 0.004078

a)

4.078 x 10^-3

b)

4.078 x 10³

c)

40.78 x 10^-4

d)

.4078 x 10^-2

198.

How would you write 0.0005 in scientific notation?

a)

50 x 10^-5

b)

5 x 10^-4

c)

5 x 10^-3

d)

.5 x 10^-3

199.

Write 0.000972 in scientific notation.

a)

9.72 x 10^-4

b)

9.72 x 10^-3

c)

972 x 10^-4

d)

9.72 x 10⁴

200.

Which is the correct coefficient of 23,400,000 when it is written in scientific notation?

a)

0.234

b)

2.34

c)

234.

d)

23.4

201.

125,678,000: Change to scientific notation

a)

1.25678 x 10¹²

b)

.125678 x 10^-9

c)

12.5678 x 10⁸

d)

1.25678 x 10⁸

202.

Try to change the number back to standard form: 6.79 x 10⁴

a)

679,000

b)

6,790

c)

67,900

d)

6,790,000

203.

Write 0.00000707 in scientific notation.

a)

7.07 x 10^-6

b)

7.07 x 10⁶

c)

707 x 10⁸

d)

707 x 10^-8

204.

Anything raised to a power of zero is always:

a)

0

b)

1

c)

itself

d)

negative

205.

According to exponent rules, when we raise the power to a power we _______ the exponents.
Example: (d²)⁵

a)

add

b)

subtract

c)

multiply

d)

divide

206.

According to exponent rules, when we multiply two power with the same base we _______ the exponents.
Example: c⁶ ⋅ c⁴

a)

add

b)

subtract

c)

multiply

d)

divide

207.

According to exponent rules, when we divide two powers with the same base we _______ the exponents.
Example: h⁸/h³

a)

add

b)

subtract

c)

multiply

d)

divide

208.

Simplify the expression: (2⁸)²

a)

2¹⁶

b)

2¹⁰

c)

2⁶

d)

2⁴

209.

Simplify the expression: 5^-2

a)

-10

b)

1/25

c)

1/10

d)

-1/10

210.

Simplify the expression:

(3xy)²

a)

6x²y²

b)

3²x²y²

c)

3xy²

d)

3x²y

211.

Simplify the expression: m ⋅ m⁵⋅ m⁶

a)

m³⁰

b)

m¹²

c)

12m

d)

mm¹¹

212.

Simplify the expression.

a)

1²²

b)

1³⁰

c)

6²²

d)

6³⁰

213.

Simplify using the quotient rule:

a)

a⁸b¹³

b)

a²b⁷

c)

a¹⁵b³⁰

214.

Simplify using the product rule: x³y²x³=

a)

x⁶y²

b)

xy⁸

c)

x³y⁵

215.

x³(x⁹)

a)

x³

b)

x²⁷

c)

x¹²

d)

x⁶

216.

(m²)⁵

a)

m⁷

b)

m²⁵

c)

m³

d)

m¹⁰

217.

5^-2

a)

-25

b)

-10

c)

-1/25

d)

1/25

218.

a)

x²

b)

0

c)

1

d)

x²⁰

219.

a)

1

b)

1/256

c)

4r⁴

d)

256

220.

What is the base in 2⁸ ?

a)

8

b)

2

221.

Which expression is equivalent to the given?

a)

b)

c)

d)

222.

Simplify:

a)

3k⁹

b)

^k/₃

c)

^k/₆

d)

6k

223.

Simplify:

a)

b)

c)

d)

224.

2 tons = _____ lbs (1 ton = 2,000 pounds)

a)

2,000 lbs

b)

4,000 lbs

c)

1,000 lbs

d)

3,000 lbs

225.

A cafeteria manager buys 25 gallons of milk. She wants to store the milk in quart containers. How many quart containers does she need? (1 gallon = 4 quarts)

a)

40 quarts

b)

100 quarts

c)

400 quarts

d)

10 quarts

226.

A chef has a soup pot with a capacity of 2¼ gallons. What is the capacity of the soup pot in quarts? (1 gallon = 4 quarts)

a)

9 quarts

b)

4½

c)

18 quarts

d)

8¼

227.

Amanda’s pool holds 500 gallons of water. Approximately how many liters does the pool hold? (1 gallon ≈ 3.8 liters)

a)

1,900 liters

b)

1,000 liters

c)

450 liters

d)

150 liters

228.

I have 16 cups of water. How many quarts do I have? (1 pint = 2 cups) (1 quart = 2 pints)

a)

4

b)

3

c)

2

d)

1

229.

25 grams =

a)

250 milligrams

b)

2,500 milligrams

c)

2.5 milligrams

d)

25,000 milligrams

230.

67 Liters =

a)

67 milliliters

b)

67,000 milliliters

c)

670 Liters

d)

670 milliliters

231.

21 kilograms = ______ grams

a)

21,000

b)

2,100

c)

210

d)

2,101

232.

At Oscar Delta, workers prepare 17,000 milliliters of iced team. How many liters of iced tea do the workers make?

a)

17 liters

b)

1,000 liters

c)

170 liters

d)

1,700 liters

233.

A cafeteria manager buys 25 gallons of milk. She wants to store the milk in quart containers. How many quart containers does she need?

a)

40 quarts

b)

100 quarts

c)

400 quarts

d)

10 quarts

234.

Jacob's dad bought a bag of flour that has a mass of 5 kilograms. What is the mass of the flour in grams?

a)

50 grams

b)

500 grams

c)

5 grams

d)

5,000 grams

235.

Which is the best estimate for the weight of a watermelon?

a)

7 ounces

b)

7 yards

c)

7 inches

d)

7 pounds

236.

Kayla picks 8 pounds of apples. What is the weight of Kayla's apples in ounces?

a)

128 ounces

b)

96 ounces

c)

72 ounces

d)

144 ounces

237.

5 lbs = _____ oz

a)

50 oz

b)

80 oz

c)

85 oz

d)

16 oz

238.

2 Gallons = ____ Pints

a)

16

b)

12

c)

20

239.

How can you convert from liters to milliliters?

a)

Divide by 100.

b)

Multiply by 100.

c)

Divide by 1,000.

d)

Multiply by 1,000.

240.

How many cups are in a pint?

a)

1

b)

16

c)

8

d)

2

241.

Convert 4500 g to kg

a)

0.45 kg

b)

450 kg

c)

45 kg

d)

4.5 kg

242.

Convert 35,000 milligrams to kilograms

a)

0.035 kg

b)

0.35 kg

c)

3.5 kg

d)

35 kg

243.

Bailey's dog Ruff has a mass of 10.5 kilograms. How much does Ruff weigh in decigrams?

(10,000 decigrams = 1 kilogram)

a)

0.105 decigrams

b)

1,050 decigrams

c)

105 decigrams

d)

105,000 decigrams

7th -Midterm Review

Total questions: 243

Worksheet time: 10hrs 20mins

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