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posted by Samantha Thursday, January 10, 2013 at 11:16pm.
Simplify the expression. Write the result using positive exponents only. (-2x^3y^-4)(5x^-1y)
(-2x^3y^-4)(5x^-1y) = (-2)(5)(x^3)(x^-1)(y^-4)(y^-4)(y) = -10 x^2 y^-3 or = -10x^2/y^3
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