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If -3^-5=1/x, what is the value of x? -243 -1/243 1/243 243

2 Answers

4 votes

Answer: A

Explanation:

User Saleena
by
5.8k points
7 votes

9514 1404 393

Answer:

-243

Explanation:

Evaluate and compare forms.

-3^-5 = 1/x

-1/243 = 1/x

1/(-243) = 1/x

x = -243

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The applicable rule of exponents is ...

a^-b = 1/a^b

User Tavo
by
5.2k points