algebra

what is the value of 11x^-3y^-1 for x = -1 and y = 2?

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asked by bob
  1. just plug and chug. That would be
    11x^-3y^-1 = 11/(x^3 y) = 11/((-1)^3 (2)) = 11/(-1 * 2) = -11/2

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    posted by oobleck

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