document.write( "Question 976421: Evaluate the expression x^-2 y^2 / x^4 y^-3 for x = 4 and y = -2
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Algebra.Com's Answer #598074 by solver91311(24713) $\"\"$ $\"About$

You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "Write your expression in pencil. Every place you see an

in your expression, erase the

and write a

in its place. Every place you see a

, replace it with

. The parentheses make certain that you apply the exponent to the negative sign as well as the

in each case.\r
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\n" ); document.write( "\n" ); document.write( "Now just do the arithmetic.\r
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\n" ); document.write( "\n" ); document.write( "John
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\n" ); document.write( "My calculator said it, I believe it, that settles it\r
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