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Exponents Properties Practice

Total questions: 25

Worksheet time: 1hrs 7mins

Name
Class
Date
1.
Which number is the BASE?
23 = 8
a)
2
b)
3
c)
8
2.
Which number is the EXPONENT?
42 = 16
a)
4
b)
2
c)
16
3.
According to exponent rules, when we multiply the same base we _______ the exponents.
a)
Multiply
b)
Add
c)
Divide
d)
Subtract
4.
According to exponent rules, when we raise a power to a power we _______ the exponents.
a)
add
b)
subtract
c)
multiply
d)
divide
5.

 y4y^4   is the same as...

a)

 y×4y\times4  

b)

 4y4y  

c)

 y⋅y⋅y⋅yy\cdot y\cdot y\cdot y  

6.

 (4x2)3\left(4x^2\right)^3  is the same as...

a)

 (4⋅3⋅x⋅x)(4⋅3⋅x⋅x)\left(4\cdot3\cdot x\cdot x\right)\left(4\cdot3\cdot x\cdot x\right)  

b)

 (4⋅x⋅x⋅3)\left(4\cdot x\cdot x\cdot3\right)  

c)

 (4⋅x⋅x)(4⋅x⋅x)(4⋅x⋅x)\left(4\cdot x\cdot x\right)\left(4\cdot x\cdot x\right)\left(4\cdot x\cdot x\right)  

7.
a)
-30x11
b)
-30x18
c)
-x11
d)
-x18
8.
If (2x)5=215, what does x equal?
a)
x = 3
b)
x = 5
c)
x = 10
9.
(53x2y4)0
a)
5xy
b)
1
c)
0
d)
5
10.
a)

116\frac{1}{16}

b)

18\frac{1}{8}

c)

-16

d)

-8

11.
Evaluate this expression using the quotient rule.
a)
95
b)
99
c)
15
d)
9-5
12.

Simplify:

a)

x3

b)

x11

c)

1/x11

d)

1/x3

13.
a)
10t2
b)
10/t2
c)
18t2
d)
2t
14.

Simplify:

a)

x6y4

b)

x2y4

c)

x8y4

d)

x8y

15.
2.) Simplify
(3x3y5)4
a)
3x12y20
b)
81x12y20
c)
12x12y20
d)
81x7y9
16.
(y9)-2
a)
y18
b)
y11
c)
1/y18
d)
y9/2
17.
Simplify (-4r5)(2r8)
a)
-8r13
b)
-2r13
c)
-8r40
d)
-2y40
18.
Simplify (2x4y7)3
a)
6x7y10
b)
6xy32
c)
8x12y21
d)
8x7y10
19.
a)
2a2b6
b)
1/2a2b6
c)
b6/2a2
d)
2b6/a2
20.
a)
9a8 / 4b2
b)
9b2 / 4a8
c)
9a4b6 / 4
d)
9a4 / 4b2
21.

Find the product of  (3x4y2)2\left(3x^4y^2\right)^2  and  (2xy)3\left(2xy\right)^3  

a)

 128x7y8128x^7y^8  

b)

 72x9y772x^9y^7  

c)

 72x11y772x^{11}y^7  

d)

 128x8y11128x^8y^{11}  

22.

 If the area of a rectangle is 42x8y642x^8y^6 and length is  7x2y37x^2y^3  what is the width?

a)

 6x4y26x^4y^2  

b)

 49x10y949x^{10}y^9  

c)

 6x6y36x^6y^3  

d)

 35x6y335x^6y^3  

23.

Simplify  (x4y−2)3\left(\frac{x^4}{y^{-2}}\right)^3  

a)

 x12y6x^{12}y^6  

b)

 x12y−6\frac{x^{12}}{y^{-6}}  

c)

 x7yx^7y  

d)

 y6x12\frac{y^6}{x^{12}}  

24.

Simplify using the exponent rules

a)
b)
c)
d)
25.

Simplify 3x2y6z215x4y4z−4\frac{3x^2y^6z^2}{15x^4y^4z^{-4}}  

a)

 y2z65x2\frac{y^2z^6}{5x^2}  

b)

 5y3z6x2\frac{5y^3z^6}{x^2}  

c)

 y25x2z2\frac{y^2}{5x^2z^2}  

d)

 8y3x2zy\frac{8y^3}{x^2z^y}