document.write( "Question 140668: Perform the indicated opeations.\r
\n" ); document.write( "\n" ); document.write( "Simplify:\r
\n" ); document.write( "\n" ); document.write( "-9 to the -2power
\n" ); document.write( "

Algebra.Com's Answer #102370 by stanbon(75887)\"\" \"About 
You can put this solution on YOUR website!
(-9)^(-2) = 81^(-1) = 1/81\r
\n" ); document.write( "\n" ); document.write( "OR\r
\n" ); document.write( "\n" ); document.write( "-9^(-2) = -[81^-1] = -1/81\r
\n" ); document.write( "\n" ); document.write( "Comment: The answer depends on whether you
\n" ); document.write( "mean - 9^-2 or wheter you mean (-9)^-2\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "==============================
\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
\n" ); document.write( "
\n" );