RogerPro
RogerPro
09-03-2015
Mathematics
contestada
Simplify the expression given bellow. : -5^-2
Respuesta :
anijlin
anijlin
09-03-2015
-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
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apologiabiology
apologiabiology
09-03-2015
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
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