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Posted by **crystal** on Wednesday, February 8, 2012 at 5:31pm.

x^-7 x^4

5x^-4 x^4

7x^0 y^-3

- math: simplify -
**Henry**, Friday, February 10, 2012 at 6:10am1. 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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