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Worksheets

Laws of Exponents (Mul & Div)

Total questions: 41

Worksheet time: 35mins

Name
Class
Date
1.
Simplify the expression.
a)
1/y5
b)
1/y2
c)
y2
d)
y5
2.

Simplify 2n4 * 5n4

a)

7n4

b)

10n16

c)

10n8

d)

none of the above

3.

Simplify 10xy3 * 8x5y3

a)

80xy3

b)

80x6y3

c)

80x6y6

d)

none of the above

4.

Simplify
45x6y95x4y2\frac{45x^6y^9}{5x^4y^2}  

a)

(9x2)/y7

b)

40x2y7

c)

9x2y7

d)

9x10y11

5.

8g4h3m74g4h3m6\frac{8g^4h^3m^7}{-4g^4h^3m^6}  

a)

-2m

b)

2ghm

c)

-32g⁸h⁶m¹³

d)

no solution

6.
a)
b)

16c3d3

c)
d)
7.

Simplify the expression.

(x3) . (x6)

a)

x9

b)

x3

c)

x18

d)

x36

8.

x8 / x2

a)

x4

b)

x16

c)

x-6

d)

x6

9.
a)
7/ u3
b)
7u11
c)
7u1.75
d)
7u3
10.
a)

d2

b)

d80

c)

d810

d)

d18

11.
a)

d2

b)

d80

c)

d810

d)

d18

12.

(34) . (37)

a)

328

b)

33

c)

3-3

d)

311

13.
a)

4x8

b)

9x2

c)

4x2

d)

9x15

14.
a)

x2.75

b)

x44

c)

x15

d)

x7

15.

(x8) . (x5)

a)

x-40

b)

x-13

c)

x3

d)

x13

16.

(2n4) . (5n4)

a)

3n4

b)

10n10

c)

3n8

d)

10n8

17.

(2) . (22) . (23)

a)

26

b)

66

c)

25

d)

65

18.

(6x2) . (6x3y4)

a)

6x5y6

b)

36x5y6

c)

36x5y4

d)

6x9y9

19.

(uv) . (4uv5)

a)

4uv5

b)

4u2v5

c)

4u1v6

d)

4u2v6

20.
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
21.
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
22.
Which number is the BASE?
2= 8
a)
2
b)
3
c)
8
23.
Which number is the EXPONENT?
42 = 16
a)
4
b)
2
c)
16
24.
Simplify: x ∙ x ∙ x ∙ x ∙ x  ∙ x
a)
x6
b)
6x
c)
x3
d)
6x6
25.
2 * 22 *22
a)
24
b)
84
c)
36
d)
25
26.
(4)( 42)
a)
164
b)
42
c)
44
d)
82
27.
(-2)³⋅(-2)⁶
a)
(-2)⁹
b)
(-2)¹⁸
c)
(-2)⁻³
d)
(-2)
28.
(6r)(5r2)
a)
30r3
b)
30r2
c)
11r3
d)
11r2
29.
When dividing with the same base: keep the base the same and do this to the exponents.
a)
multiply
b)
add
c)
subtract
d)
divide
30.
a)
x4
b)
x8
c)
x12
d)
x20
31.
a)
6
b)
36
c)
1
d)
622
32.
Which number is the BASE?
2= 8
a)
2
b)
3
c)
8
33.
Which number is the EXPONENT?
42 = 16
a)
4
b)
2
c)
16
34.
2 * 22 *22
a)
24
b)
84
c)
36
d)
25
35.
a)
x4
b)
x8
c)
x12
d)
x20
36.
a)
6
b)
36
c)
1
d)
622
37.

Simplify 2n4 * 5n4

a)

7n4

b)

10n16

c)

10n8

d)

none of the above

38.

Simplify: 30x3y510x2y3\frac{30x^3y^5}{10x^2y^3}  



a)

3xy2-3xy^2  

b)

10xy210xy^2  

c)

3x5y83x^5y^8  

d)

3xy23xy^2  

39.

Simplify 2n4 * 6n4

a)

8n4

b)

12n8

c)

8n16

d)

none of the above

40.
Evaluate this expression using the quotient rule.
a)
95
b)
99
c)
15
d)
9-5
41.
a)
-6c5
b)
-6c
c)
6c
d)
-6c6