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17 May, 22:09

Evaluate the expression 10x^-2y^-1 if x = - 2, y = 1

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  1. 17 May, 22:18
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    10x^-2y^-1.

    Plug - 2 in for x and 1 in for y.

    10 (-2) ^-2 (1) ^-1 = 0.25 or 1/4
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