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Which expression is equivalent to (73)−2?

A. 1/7•7•7•7•7•7
B. 7
C. 1/7
D. -1/7•7•7•7•7•7

User Joel Wembo
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2 Answers

2 votes
Answer:
A. 1/7•7•7•7•7•7
User Andrey Nelubin
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7 votes
Hello, I think it was (7^3)^-2.

So, what do you have to do is multiply the exponents.

7^3*(-2) = 7^-6

Now, the rule says a^-x = 1/a^x

So 1/7^6

This means the answer is A.

1/(7×7×7×7×7×7)
User Karastojko
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8.5k points