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posted by crystal Wednesday, February 8, 2012 at 5:31pm.
simplify: x^-7 x^4 5x^-4 x^4 7x^0 y^-3
1. x^-7*x^4 = X^-3 = 1/X^3. 2. 5x^-4*x^4 = 5x^0 = 5. 3. 7x^0*y^-3 = 7y^-3 = 7/Y^3. NOTE: Remember to multiply the coefficients and add the exponents.
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