document.write( "Question 356777: can I use the product rule for exponents to multiply x7 and y9 and why or why not?\r
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Algebra.Com's Answer #254686 by mananth(16946)\"\" \"About 
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you cannot use the product rule because the base is not the same.
\n" ); document.write( "x^7 & y^9
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\n" ); document.write( "a^m*a^n= a^(m+n)
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