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Simplify the expression given bellow. : -5^-2
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5 votes
Simplify the expression given bellow. : -5^-2

User Diego Unanue
by
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2 Answers

3 votes
so if you have the negative then you just have it over one so 2^-2 means
(1/(2^2))=2^-2 so

-5^-2=1/(-5^2)=1/25
User Chchrist
by
7.9k points
4 votes
-5^-2
taking something to the power of -2 is basically saying to take it to the power of 2, and then inverse it

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

-5^-2 = 1/25, or 0.04
User Dojuba
by
9.2k points
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