document.write( "Question 332759: express using positive exponents, then if possible, simplify.\r
\n" ); document.write( "\n" ); document.write( "(3/u)^-4
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Algebra.Com's Answer #238430 by AAfter Search(61)\"\" \"About 
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(3/u)^-4
\n" ); document.write( "= 1/(3/u)^4
\n" ); document.write( "= (1/3/u)^4
\n" ); document.write( "= (u/3)^4
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