document.write( "Question 632778: Simplify. Use positive exponents only.\r
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Algebra.Com's Answer #398477 by stanbon(75887)\"\" \"About 
You can put this solution on YOUR website!
Use positive exponents only.
\n" ); document.write( "(7a)^-2
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\n" ); document.write( "= 1/(7a)^2
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\n" ); document.write( "= 1/(49a^2)
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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