document.write( "Question 757358: what is x to the seventh power divided by x to the negative second power? The book says the answer is x to the ninth power but how? \n" ); document.write( "

Algebra.Com's Answer #460811 by ankor@dixie-net.com(22740) $\"\"$ $\"About$

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what is x to the seventh power divided by x to the negative second power? The book says the answer is x to the ninth power but how?
\n" ); document.write( ":
\n" ); document.write( " $\"x%5E7%2Fx%5E-2\"$
\n" ); document.write( "remember you can get rid of the negative exponent by writing the
\n" ); document.write( "reciprocal, therefore
\n" ); document.write( " $\"x%5E7\"$ * $\"x%5E2%2F1\"$ or just $\"x%5E7%2Ax%5E2\"$
\n" ); document.write( "add exponents when you multiply
\n" ); document.write( " $\"x%5E9\"$ \n" ); document.write( "

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