document.write( "Question 272959: need to simplify 9 to power of -2 \n" ); document.write( "
Algebra.Com's Answer #199487 by stanbon(75887)\"\" \"About 
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simplify 9 to power of -2
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\n" ); document.write( "9^-2 = 81^-1 = 1/81
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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