WorksheetsPretest Indices
Total questions: 16
Worksheet time: 10mins
Name
Class
Date
1.
Find the value of
18a)
81
b)
18
c)
8
d)
1
2.
Write 12 x 12 x 12 x 12 x 12 x 12 x 12 in index form
a)
126
b)
127
c)
128
d)
125
3.
Write x×x×x×x×x×x in index form
a)
6x
b)
x6
c)
6x6
d)
6
4.
a×a×a×a
a)
4a
b)
a4
c)
4a4
d)
2a2
5.
a×a×a
a)
3a
b)
3a3
c)
a3
d)
3a2
6.
(y9)-2
a)
y18
b)
y11
c)
1/y18
d)
y9/2
7.
Simplify 40
a)
1
b)
4
c)
0
8.
Simplify 47 ÷ 43
a)
410
b)
4
c)
421
d)
44
9.
a7×a4÷a5
a)
a7
b)
a6
c)
a4
d)
a11
10.
Write 95 ÷ 93 as a single power
a)
92
b)
98
c)
915
11.
Write 62 x 63 as a single power
a)
7776
b)
66
c)
65
d)
365
12.
Simplify -90
a)
1
b)
-1
c)
-9
d)
9
13.
What is the correct law for division? am ÷ an =
a)
am-n
b)
am - an
c)
am÷n
d)
am/n
14.
What is the correct law for multiplication? am x an =
a)
am+n
b)
am + an
c)
amxn
d)
amn
15.
Simplify
a2×a6÷a3
a)
a9
b)
a11
c)
a5
d)
a−1
16.
Write 2 x 2 x 2 x 2 in index form
a)
23
b)
25
c)
16
d)
24
100 %
