Could negative 2 be used as a base to rewrite 32? 64?

Question

Odom

Mathematics

6 May, 21:03

Could negative 2 be used as a base to rewrite 32? 64?

+5

Answers (1)

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Silas Lyons · Answer 1

We know that 2^5 = 32.

But (-2) ^5 = - 32.

So in this case - 2 can not be used as a base.

Also : 2^6 = 64

( - 2) ^6 = 64 (because an exponent is an even number)

Answer:

- 2 couldn't be used as a base to rewrite 32, but it could be used as a base to rewrite 64.