WorksheetsNegative indices
Total questions: 21
Worksheet time: 55mins
Name
Class
Date
1.
64⅓ =
a)
4
b)
8
c)
6
d)
21.3
2.
1000⅓ is the same as the cube root of 1000 =
a)
10
b)
333
c)
300
d)
100
3.
How else can you write x ?
a)
x21
b)
x2
c)
x−2
d)
x41
4.
Evaluate
a)
3
b)
18
c)
9
d)
6
5.
How else could you write 4−2 ?
a)
16
b)
−16
c)
−161
d)
161
6.
4-½ =
a)
2
b)
-2
c)
½
d)
-½
7.
(y9)-2
a)
y18
b)
y11
c)
1/y18
d)
y9/2
8.
Which of the following is equivalent to the expression 2x71 ?
a)
(2x)−7
b)
21x7
c)
21x−7
d)
2x−7
9.
x32=?
a)
2x3
b)
2x−3
c)
8x3
d)
8x−3
10.
Simplify fully x5×x−2=?
a)
x3
b)
x7
c)
x10
d)
x−10
11.
Simplify.
s-5 ⋅ s-2
s-5 ⋅ s-2
a)
s-3
b)
1/s7
c)
s-7
d)
1/s3
12.
Simplify
a)
7a5/b3
b)
b3/7a5
c)
7b3/a-5
d)
7b3 /a5
13.
Simplify.
a)
y60
b)
1/y16
c)
y-16
d)
y4
14.
a)
y4
b)
y5
c)
y6
d)
6y
15.
a)
t24
b)
t12
c)
t18
d)
t-12
16.
a)
b)
c)
d)
17.
Write the product using exponents:
(-2) ⋅ (-2) ⋅ (-2) ⋅ (-2) ⋅ (-2)
a)
-25
b)
2-5
c)
(-2)5
d)
(-2)-5
18.
What is the value of (-2)3?
a)
-8
b)
-6
c)
6
d)
8
19.
Write the product using exponents: (-2) ⋅ (-2) ⋅ (-2) ⋅ x ⋅ x
a)
(-2)3 ⋅ x2
b)
-(23 ⋅ x2)
c)
-23 ⋅ x2
d)
8x2
20.
Rewrite using a positive exponent.
(-5)-4
(-5)-4
a)
(-5)4
b)
1/(-5)-4
c)
1/(-5)4
d)
-625
21.
Rewrite using a positive exponent.
(-5)-4
(-5)-4
a)
(-5)4
b)
1/(-5)-4
c)
1/(-5)4
d)
-625
100 %
