Question 1188792
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1. If 6^x = 5, what does 6^-2x equal?
2. if 7^x=3, what does 7^-2x equal?
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(1)  If {{{6^x}}} = 5,  then  {{{6^(-2x)}}} = {{{1/(6^(2x))}}} = {{{1/((6^x)^2)}}} = {{{1/5^2}}} = {{{1/25}}}.    <U>ANSWER</U>



(2)  The second problem is a TWIN of the first one.

     Solve the second problem on your own by the SAME way.
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Answered and explained.