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(x power of 7 over x power of 2) •times• (5y power of 2 over x power of 3)

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    write it this way ....

    (x^7)/(x^2) (5y^2)/(x^3)
    = x^5 (5y^2)/x^3
    = 5x^2 y^2 or 5(xy)^2

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