SOLUTION: if 13^-x=3, what does 13^2x equal?

Question 1008163: if 13^-x=3, what does 13^2x equal?
Found 2 solutions by josmiceli, josgarithmetic:
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!

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Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
What you wrote and what you mean could be two different things.
, what does mean?

Next:

Substituting from transformed definition,

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