document.write( "Question 600847: how do you work out and what is the answer to the problem 9^x=1/81 \n" ); document.write( "

Algebra.Com's Answer #379520 by nerdybill(7384) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"9%5Ex=1%2F81\"$
\n" ); document.write( " $\"x=log%289%2C1%2F81%29\"$
\n" ); document.write( " $\"x=log%289%2C1%2F9%5E2%29\"$
\n" ); document.write( " $\"x=log%289%2C9%5E%28-2%29%29\"$
\n" ); document.write( " $\"x=-2%29\"$ \r
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