document.write( "Question 117143: Simplify the expression. Write the reslut using positive exponents only.\r
\n" ); document.write( "\n" ); document.write( "5^-7x^-3y^2
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\n" ); document.write( "5^-4x^-6y^4
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Algebra.Com's Answer #85351 by checkley71(8403)\"\" \"About 
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5^-7/5^-4=5^(-7+4)=5^-3=1/5^3
\n" ); document.write( "X^-3/X^-6=X^(-3+6)=X^3
\n" ); document.write( "Y^2/Y^4=Y^(2-4)=Y^-2=1/Y^2
\n" ); document.write( "COMBINING THESE ELEMENTS WE HAVE:
\n" ); document.write( "X^3/5^3Y^2 OR X^3/125Y^2 ANSWER.
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