Question 344903
simplify each expression and express in positive exponents only. 
4x^-2(xy)^-1 all over 2^3x^4y
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(4/(x^2*(xy)) / (8x^4*y)
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1/(x^3y) * (1/(2x^4*y)
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= 1/(2x^7*y^2)
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Cheers,
Stan H.