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Worksheets

Negative and fractional Exponents

Total questions: 156

Worksheet time: 5hrs 46mins

Name
Class
Date
1.
Rewrite using a positive exponent.
g-7
a)
1/g7
b)
g7
c)
1/g-7
d)
-g7
2.
Rewrite each expression with a negative exponent.
1/125
a)
1/53
b)
53
c)
5-3
d)
1/5-3
3.
Simplify.
a)
y60
b)
1/y16
c)
y-16
d)
y4
4.
Simplify (-1/2)0
a)
1
b)
0
c)
-1
d)
-2
5.
Simplify -4x0
a)
-4x
b)
-4
c)
1
d)
-1
6.
Simplify 3-3
a)
-27
b)
-9
c)
-1/9
d)
1/27
7.
Simplify x2y-5
a)
x2/y5
b)
1/x2y5
c)
y5/x2
d)
x2/y-5
8.
Simplify 5-2
a)
-10
b)
1/25
c)
1/(5)2
d)
-1/10
9.
Evaluate:
8-1
a)
1/8
b)
-8
c)
-1/8
d)
1
10.
Evaluate:
3-2
a)
1/9
b)
-6
c)
-9
d)
-1/6
11.
What is 10-2  written as a fraction?
a)
1/100
b)
1/1000
c)
1/10
d)
1/200
12.

4-2 = ?

a)

2

b)

1 / 16

c)

16

d)

-8

13.

43/2 = ?

a)

6

b)

8

c)

5.5

14.
Simplify the following expression:
a)
16
b)
32
c)
40
d)
64
15.
 Write in exponential form
 ∛x⁷
a)
x⁷∕ ³
b)
x3⁄7
c)
3x⁷
d)
7x³
16.
a)
b)
c)
d)
17.
a)
b)
c)
d)
18.
Simplify the following expression:
a)
2
b)
4
c)
16
d)
64
19.
Simplify the exponential expression:
a)
10x-2
b)
2x2
c)
2x12
d)
10x12
20.
Re-write the expression in radical form.
x2/3
a)
(∛x)2
b)
√x3
c)
(1/x)
d)
∛x
21.
Write with positive exponents:
a)
a-2
b)
a2
c)
1/a1
22.
Rewrite using a positive exponent.
7-10
a)
1/710
b)
710
c)
1/7-10
d)
-70
23.
Rewrite using a positive exponent.
g-7
a)
1/g7
b)
g7
c)
1/g-7
d)
-g7
24.
Rewrite using a positive exponent.
(-5)-4
a)
(-5)4
b)
1/(-5)-4
c)
1/(-5)4
d)
-625
25.
Rewrite each expression with a negative exponent.
1/125
a)
1/53
b)
53
c)
5-3
d)
1/5-3
26.
Rewrite each expression with a negative exponent.
1/(-5)7
a)
(-5)7
b)
1/(-5)-7
c)
(-5)-7
d)
1/78,125
27.
Simplify
a)
-1/6
b)
1/6
c)
6
d)
-6
28.
Simplify
a)
-1/16
b)
1/16
c)
-16
d)
16
29.
2-1
a)
1/2
b)
1/1
c)
-1/1
d)
-1/2
30.
Solve 3-3
a)
-27
b)
-9
c)
-1/9
d)
1/27
31.
Solve (-8)-2
a)
1/(-8)2
b)
1/82
c)
1/64
d)
-64
32.
Rewrite using a positive exponent.
w-13
a)
-w13
b)
1/w13
c)
1/w-13
d)
w13
33.

Simplify x-7

a)

-7

b)

-7x

c)

1/x7

d)

x/7

34.
a)
49/64
b)
64/49
c)
14/16
d)
16/14
35.

Simplify the following expression:


x10 ÷ x2

a)

x5

b)

x12

c)

x8

d)

x20

36.

How else can you write x\sqrt{x}  ?

a)

x12x^{\frac{1}{2}}  

b)

x2x^2  

c)

x2x^{-2}  

d)

x14x^{\frac{1}{4}}  

37.
1000is the same as the cube root of 1000 =
a)
10
b)
333
c)
300
d)
100
38.
64=
a)
4
b)
8
c)
6
d)
21.3
39.

Evaluate

a)

3

b)

18

c)

9

d)

6

40.

How else could you write 424^{-2}  ?

a)

1616  

b)

16-16  

c)

116-\frac{1}{16}  

d)

116\frac{1}{16}  

41.
4-½ =
a)
2
b)
-2
c)
½
d)
42.
(y9)-2
a)
y18
b)
y11
c)
1/y18
d)
y9/2
43.

Which of the following is equivalent to the expression 12x7\frac{1}{2x^7}  ?

a)

(2x)7\left(2x\right)^{-7}  

b)

12x7\frac{1}{2}x^7  

c)

12x7\frac{1}{2}x^{-7}  

d)

2x72x^{-7}  

44.


2x3=?\frac{2}{x^3}=?  

a)

2x32x^3  

b)

2x32x^{-3}  

c)

8x38x^3  

d)

8x38x^{-3}  

45.

Simplify fully  x5×x2=?x^5\times x^{-2}=?  

a)

x3x^3  

b)

x7x^7  

c)

x10x^{10}  

d)

x10x^{-10}  

46.
Simplify.
s-5 ⋅ s-2
a)
s-3
b)
1/s7
c)
s-7
d)
1/s3
47.
Simplify
a)
7a5/b3
b)
b3/7a5
c)
7b3/a-5
d)
7b3 /a5
48.
Simplify.
a)
y60
b)
1/y16
c)
y-16
d)
y4
49.
a)
y4
b)
y5
c)
y6
d)
6y
50.
a)
t24
b)
t12
c)
t18
d)
t-12
51.
a)
b)
c)
d)
52.

Write the product using exponents:

(-2) ⋅ (-2) ⋅ (-2) ⋅ (-2) ⋅ (-2)

a)

-25

b)

2-5

c)

(-2)5

d)

(-2)-5

53.
What is the value of (-2)3?
a)
-8
b)
-6
c)
6
d)
8
54.
Write the product using exponents: (-2) ⋅ (-2) ⋅ (-2) ⋅ x ⋅ x
a)
(-2)3 ⋅ x2
b)
-(23 ⋅ x2)
c)
-23 ⋅ x2
d)
8x2
55.
Rewrite using a positive exponent.
(-5)-4
a)
(-5)4
b)
1/(-5)-4
c)
1/(-5)4
d)
-625
56.

a)

2xy6

b)

8x3y5

c)

2x3y6

d)

8x3y6

57.

Evaluate 3612Evaluate\ 36^{\frac{1}{2}}  

a)

6

b)

12

c)

6\sqrt{6}  

d)

626^2  

58.

Evaluate

a)

13\frac{1}{3}

b)

181\frac{1}{81}

c)

119683\frac{1}{19683}

d)

33

59.

Evaluate 62Evaluate\ 6^{-2}  


a)

162\frac{1}{6^2}  

b)

136\frac{1}{36}  

c)

36

d)

36-36  

60.

Evaluate (34)2Evaluate\ \left(\frac{3}{4}\right)^{-2}  

Evaluate

a)

34-\frac{3}{4}  

b)

916-\frac{9}{16}  

c)

34\frac{3}{4}  

d)

169\frac{16}{9}  

61.

Evaluate 5d0Evaluate\ 5d^0  

a)

0

b)

5

c)

1

d)

5d

62.

Simplify

a)

34x9\frac{3}{4x^9}

b)

3x93x^{-9}

c)

3x33x^3

d)

32x6\frac{3}{2x^6}

63.

Evaluate 327a6Evaluate\ _3\sqrt{27a^6}  

a)

3a

b)

3a23a^2  

c)

1a9\frac{1}{a^9}  

d)

9a29a^2  

64.

Evaluate (9v216w4)12Evaluate\ \left(\frac{9v^2}{16w^4}\right)^{-\frac{1}{2}}  

a)

3v4w2\frac{3v}{4w^2}  

b)

4w23v\frac{4w^2}{3v}  

c)

3v4w2-\frac{3v}{4w^2}  

d)

9v16w2\frac{9v}{16w^2}  

65.

-92

a)

81

b)

-81

c)

1/81

d)

-1/81

e)

-18

66.

91/2

a)

4 1/2

b)

3

c)

-3

d)

1/3

e)

-1/3

67.

(-9)2

a)

81

b)

-81

c)

1/81

d)

1/3

e)

-1/81

68.

9-2

a)

1/3

b)

-18

c)

-81

d)

1/81

e)

-1/3

69.

9-1/2

a)

-3

b)

-4.5

c)

1/9

d)

1/3

e)

-1/3

70.

(-9)1/2

a)

3

b)

-3

c)

4.5

d)

-4.5

e)

non-real

71.

(8)1/3

a)

-2

b)

4

c)

8/3

d)

2

72.

1/162

a)

256

b)

4

c)

-4

d)

1/4

e)

1/256

73.

(116)2\left(\frac{1}{16}\right)^{-2}  

a)

-8

b)

-1/8

c)

4

d)

256

e)

1/4

74.

(116)12\left(\frac{1}{16}\right)^{\frac{1}{2}}  

a)

1/4

b)

1/8

c)

8

d)

4

e)

-8

75.

11612\frac{1}{16^{-\frac{1}{2}}}  

a)

-1/8

b)

-8

c)

-1/4

d)

4

e)

-4

76.

1162\frac{1}{16^{-2}}  

a)

256

b)

1/256

c)

-1/256

d)

-32

e)

-1/32

77.

(116)2-\left(\frac{1}{16}\right)^2  

a)

1/256

b)

-1/256

c)

1/32

d)

-1/32

e)

256

78.

(116)2\left(-\frac{1}{16}\right)^{-2}  

a)

-256

b)

1/256

c)

-1/256

d)

256

e)

-1/32

79.

-9-2

a)

81

b)

-81

c)

1/81

d)

-1/81

e)

-18

80.

(116)12-\left(\frac{1}{16}\right)^{-\frac{1}{2}}  

a)

-1/8

b)

-8

c)

-1/4

d)

4

e)

-4

81.
What is 10equivalent to?
a)
1
b)
10
c)
0
d)
100
82.

Simplify x-7

a)

-7

b)

-7x

c)

1/x7

d)

x/7

83.
Which is greater,  26540 or 50?
a)
26540
b)
50
c)
They are the same
d)
Zero is greater
84.
Make this negative exponent positive.
9-3
a)
93
b)
1/9-3
c)
1/93
d)
729
85.
Simplify -4x0
a)
-4x
b)
-4
c)
1
d)
-1
86.
Rewrite each expression with a negative exponent.
1/124
a)
1/12-4
b)
124
c)
1/20,736
d)
12-4
87.
  Simplify    7-2
a)
 1/49
b)
-49
c)
-14
d)
1/14
88.
What is the value of 27⅓?
a)
27
b)
9
c)
3
d)
1/3
89.

How else can you write x\sqrt{x}  ?

a)

x12x^{\frac{1}{2}}  

b)

x2x^2  

c)

x2x^{-2}  

d)

x14x^{\frac{1}{4}}  

90.

Choose the correct answers.

a)

A

b)

B

c)

C

d)

D

91.

Choose the correct answer.

a)

A

b)

B

c)

C

d)

D

92.

Choose the correct answer.

a)

A

b)

B

c)

C

d)

D

93.

Choose the correct answer.

a)

A

b)

B

c)

C

d)

D

94.

Simplify. Assume that the variables/denominators, if there is any, are nonzero constants.

70+80+907^0+8^0+9^0  

a)

3

b)

1

c)

0

d)

24

95.

Simplify. Assume that the variables/denominators, if there is any, are nonzero constants.

(35)1\left(\frac{3}{5}\right)^{-1}  

a)

53-\frac{5}{3}  

b)

35-\frac{3}{5}  

c)

35\frac{3}{5}  

d)

53\frac{5}{3}  

96.

Simplify. Assume that the variables/denominators, if there is any, are nonzero constants.

2(a6b6)0a4b3\frac{2\left(a^6b^{-6}\right)^0}{a^{-4}b^3}  

a)

2a4b3\frac{2}{a^4b^3}  

b)

a4b3\frac{a^4}{b^3}  

c)

b3a4\frac{b^3}{a^4}  

d)

2a4b3\frac{2a^4}{b^3}  

97.

Write the exponential expression as radical.

272327^{\frac{2}{3}}  



a)
b)
c)
d)
98.

Write the radical as exponential expression.

a)

a54a^{\frac{5}{4}}

b)

a45a^{\frac{4}{5}}

c)

a45a^{-\frac{4}{5}}

d)

a54a^{-\frac{5}{4}}

99.

Write the given as a radical expression and simplify.


641364^{\frac{1}{3}}  

a)

4

b)

2

c)

16

d)

64

100.

Evaluate the expression:

163416^{\frac{3}{4}}  



a)

8

b)

16

c)

4

d)

32

101.

Evaluate the expression:

361236^{-\frac{1}{2}}  



a)

6-6  

b)

66  

c)

16-\frac{1}{6}  

d)

16\frac{1}{6}  

102.

Evaluate the expression:

813481^{-\frac{3}{4}}  



a)

27-27  

b)

127\frac{1}{27}  

c)

19-\frac{1}{9}  

d)

1818  

103.

Simplify the expression

w5w8\frac{w^{-5}}{w^{-8}}  

a)

w3w^{-3}  

b)

w2w^2  

c)

w3w^3  

d)

w13w^{-13}  

104.

Simplify the expression

x2y8x6y4\frac{x^2y^8}{x^{-6}y^{-4}}  

a)

x4y4x^4y^4  

b)

x4y12x^{-4}y^{12}  

c)

x8y4x^8y^4  

d)

x8y12x^8y^{12}  

105.

Write as a radical:

n13n^{\frac{1}{3}}  

a)

n13\sqrt{n^{\frac{1}{3}}}  

b)

n3\sqrt{n^3}  

c)
d)
106.

Simplify the expression

251225^{\frac{1}{2}}  

a)

5

b)

10, 15

c)

12.5

d)

-5

107.

Anything to the zero power is....

x0=?x^0=?  

a)

0

b)

x

c)

1

d)

Not possible

108.

Simplify the expression

12513125^{\frac{1}{3}}  

a)

41.7

b)

11.2

c)

5

d)

62.5

109.

Simplify the expression

161416^{\frac{1}{4}}  

a)

4

b)

2

c)

8

d)

16

110.

Simplify the expression

4124^{-\frac{1}{2}}  

a)

12-\frac{1}{2}  

b)

-2

c)

2

d)

12\frac{1}{2}  

111.

232^3  

a)

6

b)

5

c)

8

d)

-1

112.

727^2  

a)

9

b)

14

c)

49

d)

5

113.

212^{-1}  

a)

-2

b)

12\frac{1}{2}  

c)

D.N.E.

d)

0.2

114.

323^{-2}  

a)

-6

b)

-9

c)

9

d)

19\frac{1}{9}  

115.

7137^{\frac{1}{3}}  

a)

73\frac{7}{3}  

b)

7.3

c)
d)

Not possible

116.

1000100^0  

a)

0

b)

1

c)

10

d)

100

117.

515^{-1}  

a)

-5

b)

15\frac{1}{5}  

c)

4

d)

0

118.

2132^{\frac{1}{3}}  

a)
b)

2/3

c)

8

d)

2.3

119.

252^5  

a)

3

b)

10

c)

32

d)

16

120.

424^{-2}  

a)

-2

b)

1

c)

116\frac{1}{16}  

d)

-8

121.

545^{-4}  

a)

20-20  

b)

625625  

c)

1625\frac{1}{625}  

d)

120\frac{1}{20}  

122.

3163^{-16}  

a)

1313

b)

1316\frac{1}{3^{16}}  

c)

48-48  

d)

13-13  

123.

65065^0  

a)

00  

b)

6464  

c)

165\frac{1}{65}  

d)

11  

124.

1/16-2

a)

-8

b)

-1/8

c)

4

d)

256

e)

1/4

125.
a)

x2/3

b)

x3/2

c)

x3

d)

x2.3

126.
Simplify x2y-5
a)
x2/y5
b)
1/x2y5
c)
y5/x2
d)
x2/y-5
127.

5x1/3

a)
b)
c)
d)
128.

3x-2y

a)

1/3x2y

b)

3/x2y

c)

3y/x2

d)

y/3x2

129.
Simplify the following expression: 
xy-7
a)
xy7
b)
x/y7
c)
x7/y
d)
x7y
130.
 Write in exponential form
 ∛x⁷
a)
x⁷∕ ³
b)
x3⁄7
c)
3x⁷
d)
7x³
131.
Write in exponential form
√x⁵
a)
X¹∕ ⁵
b)
X ²⁄⁵
c)
X⁵⁄ ²
d)
X⁵
132.
Simplify.
a)
y60
b)
1/y16
c)
y-16
d)
y4
133.
Simplify (34x5y6z-7)0
a)
34x5y6 / z7
b)
34x5y6 / x-7
c)
0
d)
1
134.

What was your answer for #2? Use the ^ button for exponents. Do not type spaces.

(a)  

135.

What was your answer for #4. Use the ^ button for exponents. Do not type spaces.

(a)  

136.

What was your answer for #6? Use the ^ button for exponents. Do not type spaces.

(a)  

137.

Simplify. No negative exponents. No decimals. Use the ^ button for exponents. Do not type spaces.

x53x7\sqrt[3]{x^5}\cdot\sqrt[]{x^7}  

(a)  

138.

Simplify. No negative exponents. No decimals. Use the ^ button for exponents. Do not type spaces.

x23x54\sqrt[3]{x^2}\cdot\sqrt[4]{x^5}  

(a)  

139.

Simplify. No negative exponents. No decimals. Use the ^ button for exponents. Do not type spaces.

x7x45\sqrt[]{x^7}\cdot\sqrt[5]{x^4}  

(a)  

140.

Simplify. No negative exponents. No decimals. Use the ^ button for exponents. Do not type spaces.

w73w5\frac{\sqrt[3]{w^7}}{\sqrt[]{w^5}}   

(a)  

141.

Simplify. No negative exponents. No decimals. Use the ^ button for exponents. Do not type spaces.

w9w34\frac{\sqrt[]{w^9}}{\sqrt[4]{w^3}}   

(a)  

142.

Simplify. No negative exponents. No decimals. Use the ^ button for exponents. Do not type spaces.

w53w97\frac{\sqrt[3]{w^5}}{\sqrt[7]{w^9}}   

(a)  

143.

Simplify. No negative exponents. No decimals. Use the ^ button for exponents. Do not type spaces.

(y83)4\left(\sqrt[3]{y^8}\right)^4   

(a)  

144.

Simplify. No negative exponents. No decimals. Use the ^ button for exponents. Do not type spaces.

(y7)5\left(\sqrt[]{y^7}\right)^5   

(a)  

145.

What does the 'y' in this expression represent?

y23y^{\frac{2}{3}}  

a)

radical

b)

fractional exponent

c)

base

146.

How many 2's come out of  48\sqrt{48}  ?

a)

2  (2*2)

b)

3 (2*2*2)

c)

4 (2*2*2*2)

147.

Change this expression to a Radical

y13y^{\frac{1}{3}}  

a)

∛y

b)

c)

√y

d)

1∕ 3y

148.

If you rewrite this expression to a radical, where would the 5 go?

323532^{\frac{3}{5}}  

a)

inside the  \sqrt{ }  

b)

outside the  \sqrt{ }  

c)

it disappears

149.

What is a radical?

a)

\sqrt{ }  

b)

xmnx^{\frac{m}{n}}  

c)

an expression that uses a root, such as square root, cube root

150.
Simplify:
a)
2
b)
4
c)
16
d)
64
151.
Which expression with a fractional exponent best represents √7 ?
a)
7 ½
b)
7¼
c)
7
d)
27
152.

 A  \sqrt{ }  has an imaginary exponent of ___. 

a)

1

b)

0

c)

2

153.

Write in exponential form

∛x⁷

a)

x⁷∕ ³

b)

x3⁄7

c)

3x⁷

d)

7x³

154.

Write in exponential form

√x⁵

a)

X¹∕ ⁵

b)

X ²⁄⁵

c)

X⁵⁄ ²

d)

X⁵

155.

Rewrite x3/4 in radical form

a)

3√(x)4

b)

4√(x)3

c)

x√(3)4

d)

1/(3√(x)4)

156.

What is the prime factorization of 8?

a)

4*2

b)

2*2*2

c)

2+2+2