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

asked May 3, 2018 174k views

3 votes

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

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1 vote

The answer is b) 9^3 = 729

Nohwnd answered May 5, 2018

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2 votes

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

Jackelin answered May 7, 2018

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