Name _________________________________________________________ Date _________
16.3 Practice B
Simplify the expression. Write your answer as a power.
1.
12 20
129
2.
7.613
7.63
3.
(− 9)15
( − 9 )3
4.
(− 8.5)11
(− 8.5)10
5.
u 33
u11
6.
π9
π4
7.
( −1000)13
(−1000)8
8.
t 21
t19
9. One kilometer equals 103 meters. One terameter equals 1012 meters. How
many times larger is a terameter than a kilometer?
Simplify the expression. Write your answer as a power.
10.
117 • 1110
114 • 112
11.
2.58 • 2.53
2.5 • 2.54
12.
(− 7.9)15 • (− 7.9)9
(− 7.9)12 • (− 7.9)7
13.
b35 b15
•
b 20 b10
Simplify the expression.
14.
48 • m 7 • n 4
45 • m 2
15.
r12 • s 7 • t 9
r 9 • s3
16.
p18 q11
p10 q8
17.
35 a17b 21
34 a15b12
Find the value of x in the equation without evaluating the power.
18.
97
= 729
9x
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19.
212 • 2 x
= 32
210
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