document.write( "Question 84755: Tutor: Can you help me: How do I simplify this expression using positive exponents? \r
\n" ); document.write( "\n" ); document.write( "(-2a^-4b^2c^-7) (3^-2a^-2b^-5c^9)\r
\n" ); document.write( "\n" ); document.write( "I started by -2*9 a^-6b^-3c^2 -18c^2/a^6b^3\r
\n" ); document.write( "\n" ); document.write( "but I got confused about dividing!\r
\n" ); document.write( "\n" ); document.write( "Thank you!
\n" ); document.write( "

Algebra.Com's Answer #61067 by Edwin McCravy(20056)\"\" \"About 
You can put this solution on YOUR website!
Tutor: Can you help me: How do I simplify this expression using positive exponents?
\n" ); document.write( "(-2a^-4b^2c^-7) (3^-2a^-2b^-5c^9)
\n" ); document.write( "I started by -2*9 a^-6b^-3c^2 -18c^2/a^6b^3
\n" ); document.write( "but I got confused about dividing!
\n" ); document.write( "Thank you!\r
\n" ); document.write( "\n" ); document.write( "Tutor: Can you help me: How do I simplify this expression using positive exponents?
\n" ); document.write( "\"%28-2a%5E%28-4%29b%5E2c%5E%28-7%29%29\"×\"%283%5E%28-2%29a%5E%28-2%29b%5E%28-5%29c%5E9%29\" \r
\n" ); document.write( "\n" ); document.write( "Put a 1 under each expression:\r
\n" ); document.write( "\n" ); document.write( "\"+%28-2a%5E%28-4%29b%5E2c%5E%28-7%29%29%2F1\"×\"%283%5E%28-2%29a%5E%28-2%29b%5E%28-5%29c%5E9%29%2F1\"\r
\n" ); document.write( "\n" ); document.write( "In the first expression,
\n" ); document.write( "Bring the \"a%5E%28-4%29\" from the top to the bottom as \"a%5E4\"
\n" ); document.write( "Bring the \"c%5E%28-7%29\" from the top to the bottom as \"c%5E7\"\r
\n" ); document.write( "\n" ); document.write( "In the second expression,
\n" ); document.write( "Bring the \"3%5E%28-2%29\" from the top to the bottom as \"3%5E2\"
\n" ); document.write( "Bring the \"a%5E%28-2%29\" from the top to the bottom as \"a%5E2\"
\n" ); document.write( "Bring the \"b%5E%28-5%29\" from the top to the bottom as \"b%5E5\"\r
\n" ); document.write( "\n" ); document.write( "Leave all the factors with positive exponents on top:\r
\n" ); document.write( "\n" ); document.write( "\"%28-2b%5E2%29%2F%281%2Aa%5E4c%5E7%29\"×\"c%5E9%2F%281%2A3%5E2a%5E2b%5E5%29\"\r
\n" ); document.write( "\n" ); document.write( "Erase the 1's on the bottom of the fractions and
\n" ); document.write( "Change the \"3%5E2\" to \"9\".\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"%28-2b%5E2%29%2F%28a%5E4c%5E7%29\"×\"c%5E9%2F%289a%5E2b%5E5%29\"\r
\n" ); document.write( "\n" ); document.write( "Indicate the multiplication of the tops and the bottoms:\r
\n" ); document.write( "\n" ); document.write( "\"%28-2b%5E2c%5E9%29%2F%28a%5E4c%5E7%2A9a%5E2b%5E5%29\"\r
\n" ); document.write( "\n" ); document.write( "Add the exponents of \"a%5E4\" and \"a%5E2\" in the bottom
\n" ); document.write( "to get \"a%5E6\" and write the \"9\" factor first:\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"%28-2b%5E2c%5E9%29%2F%289a%5E6c%5E7b%5E5%29\"\r
\n" ); document.write( "\n" ); document.write( "Now subtract the exponents of the b's, larger - smaller,
\n" ); document.write( "that is, 5-2=3 and place \"b%5E3\" on the bottom because the
\n" ); document.write( "larger exponent \"b%5E5\" was on the bottom:\r
\n" ); document.write( "\n" ); document.write( "\"%28-2c%5E9%29%2F%289a%5E6c%5E7b%5E3%29\"
\n" ); document.write( "
\n" ); document.write( "Finally subtract the exponents of the c's, larger - smaller,
\n" ); document.write( "that is, 9-7=2 and place \"c%5E2\" on the top because the
\n" ); document.write( "larger exponent \"c%5E9\" was on the top:\r
\n" ); document.write( "\n" ); document.write( "\"%28-2c%5E2%29%2F%289a%5E6b%5E3%29\"\r
\n" ); document.write( "\n" ); document.write( "Edwin
\n" ); document.write( "
\n" );