2 years ago

Which of the following is equal to 1/5^-2A.1/25B.-1/25C.25D.1/7

1 answer:

5 0

Answer:

C. 25

Step-by-step explanation:

The applicable rule of exponents is ...

a^b = 1/a^-b

Matching this pattern to your expression, you see that ...

a = 5

b = 2

Then ...

1/5^-2 = 5^2 = 25

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