asked 134k views
1 vote
2....evaluateeeeeeeeeeee

2....evaluateeeeeeeeeeee-example-1

1 Answer

5 votes

Answer:

Choice B is correct

Explanation:

We apply the rule of exponents;


a^(-b)=(1)/(a^(b))


7^(-2)=(1)/(7^(2))=(1)/(49)

answered
User Martin Hennings
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