document.write( "Question 1128785: Simplify\r
\n" ); document.write( "\n" ); document.write( "(Z^-4)^2/z^-6
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Algebra.Com's Answer #745272 by MathLover1(20849)\"\" \"About 
You can put this solution on YOUR website!

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\n" ); document.write( "\n" ); document.write( "=\"z%5E6%2Fz%5E8\"\r
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\n" ); document.write( "\n" ); document.write( "=\"cross%28z%5E6%291%2F%28cross%28z%5E6%29%2Az%5E2%29\"\r
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\n" ); document.write( "\n" ); document.write( "=\"1%2Fz%5E2\"\r
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