allyssaquigley allyssaquigley

19-10-2017
Mathematics

contestada

Simplify 1/9^-3?
A. 1/-27
B. 9^3 = 729
C.1/-729
D. 9^-3 = -27

Respuesta :

texaschic101 texaschic101

19-10-2017

exponent rule : a^-b = 1 / (a^b)

1/9 ^-3 =
1 / (1/9^3) =
1 / (1^3) /(9^3) =
1 / (1/729) =
1 * 729/1 =
729

ur answer is B

Answer Link

juliette3 juliette3

19-10-2017

The answer is b) 9^3 = 729

Answer Link

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