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1 vote
2....evaluateeeeeeeeeeee

2....evaluateeeeeeeeeeee-example-1
User Ashokhein
by
5.6k points

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)

User Martin Hennings
by
5.9k points