document.write( "Question 492636: Multiply
\n" ); document.write( "(-3n)^2(2n^9)^2\r
\n" ); document.write( "\n" ); document.write( "I can never remember what to do with exponents like this. Multiply or add? Any help will be greatly appreciated
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Algebra.Com's Answer #335123 by mananth(16949)\"\" \"About 
You can put this solution on YOUR website!
When it is a multiplication the exponents have to be added.\r
\n" ); document.write( "\n" ); document.write( "(-3n)^2(2n^9)^2\r
\n" ); document.write( "\n" ); document.write( "(9n^2)(4n^18)\r
\n" ); document.write( "\n" ); document.write( "36n^20
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