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Mathematics 18 Online
OpenStudy (anonymous):

is 5^-2 = -25?

OpenStudy (theviper):

|dw:1348108723907:dw|

OpenStudy (anonymous):

oh but why is it 1/5 and not 5/1?

OpenStudy (anonymous):

a^(-1) =1/a^1

OpenStudy (anonymous):

no it is a positive 25. 5^-2 = (5/1)^-2 = 25

OpenStudy (anonymous):

??? @Stormegeddon

OpenStudy (anonymous):

??? @sauravshajya

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