koosarmmace9rancess koosarmmace9rancess

14-07-2016
Mathematics

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evaluate 10x^2y^-2 for x = –1 and y = –2a) 10(2)^0b) 2 1/2c) 40d) 5/8

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nobillionaireNobley nobillionaireNobley

16-07-2016

10x^2y^-2 = 10 x (-1)^2 x (-2)^-2 = 10 x 1 x 1/4 = 10/4 = 2 1/2

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