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16-05-2016
Mathematics

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What is the missing exponent?

(2^-5) ____= 2^-15

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16-05-2016

remmember
(x^m)^n=x^(mn)

(x^-5)^n=2^-15

-5 times n=-15
divide both sides by -5
n=3
(x^-5)^3=2^-15

answe is 3

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