document.write( "Question 998923: Simplify the expression\r
\n" ); document.write( "\n" ); document.write( "(-3m^-2)^2(-2^2m^4n^2)^-1\r
\n" ); document.write( "\n" ); document.write( "A) -9/2n^2
\n" ); document.write( "B)9/2m^8n^2
\n" ); document.write( "C)-9/2m^8n^2
\n" ); document.write( "D)9n^2/2m^8
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Algebra.Com's Answer #626810 by It is costly(175)\"\" \"About 
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