Question:

I need help with my homework..?

by  |  earlier

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okay me and my bff are doing our homework and we both do not understand this question.. please help me..

heres the problem:

(2/xy) ^ -3

this is a fraction..

ten points for the best answer

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2 ANSWERS


  1. Always remember that negative powers flip the fractions so 5^-2 = 1/(5)^2.

    Similarly in your case.

    (2/xy)^-3

    = (2)^-3 / (xy)^-3

    = (xy)^3 / (2)^3

    =(x^3)(y^3)/8


  2. 2 over xy to the -3 power

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