document.write( "Question 1010457: Simplify the expression. Assume all variables represent positive numbers. Write the answer without using negative exponents. Show step by step work.\r
\n" ); document.write( "\n" ); document.write( "(256x^3y^-21/6561x^-13y^11)^-1/8 \r
\n" ); document.write( "\n" ); document.write( "Thanks in advance!
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Algebra.Com's Answer #625960 by It is costly(175)\"\" \"About 
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