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

Simplify 1/9^-3? A. 1/-27 B. 9^3 = 729 C.1/-729 D. 9^-3 = -27
asked 174k views
3 votes
Simplify 1/9^-3?
A. 1/-27
B. 9^3 = 729
C.1/-729
D. 9^-3 = -27

asked
User Asaf David
by
8.0k points

2 Answers

1 vote
The answer is b) 9^3 = 729
answered
User Nohwnd
by
8.1k points
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
answered
User Jackelin
by
7.8k points
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