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5 votes
What is -a^-2 if a=-5?

User HaoZeke
by
8.2k points

2 Answers

3 votes

Answer:

-0.04ㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤ

User Sriram Umapthy
by
8.8k points
0 votes

Answer:

1/-25

Explanation:

First we plug it in

-(-5)^-2

Then since the exponent is negative, we take the equation and put it under one which makes it a positive.

1/-(-5)^2

Then we solve the exponent

1/-(25)

Since it's a negative outside the parenthesis we treat it as multiplying it by -1 in which case we'd get

1/-25

User Rub
by
8.0k points

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