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I need help on this question: α -²= 1/64 A: -32 B: 8 C: 4 D: -16

I need help on this question: α -²= 1/64 A: -32 B: 8 C: 4 D: -16
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1 vote
I need help on this question:

α -²= 1/64

A: -32
B: 8
C: 4
D: -16

User Migz
by
8.5k points

1 Answer

4 votes
a^-2=1/a^2. As a result, B is the only answer because 8^-2 equal 1/8^2 or 1/64. Hope it help!
User Maxik
by
7.9k points
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