SOLUTION: If 4^x=7, what does 4^-2x equal? Please help

SOLUTION: If 4^x=7, what does 4^-2x equal? Please help

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Question 163263This question is from textbook Precalculus
: If 4^x=7, what does 4^-2x equal? Please help This question is from textbook Precalculus

Answer by Earlsdon(6294) (Show Source): You can put this solution on YOUR website!
If , find
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