document.write( "Question 804095: Express as a single fraction: a^-2 + b^-3\r
\n" ); document.write( "\n" ); document.write( "1/a^2 + 1/b^3 = 1/a^2+b^3.\r
\n" ); document.write( "\n" ); document.write( "This is not correct. Can I get help with my work?\r
\n" ); document.write( "\n" ); document.write( "Thank you.
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Algebra.Com's Answer #484605 by richwmiller(17219)\"\" \"About 
You can put this solution on YOUR website!
1/a^2 + 1/b^3
\n" ); document.write( "(a^2+b^3)/(a^2 b^3)
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