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22-03-2016
Mathematics

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What is (6-9) with an exponet of -3? Please explain how you solved this.

Respuesta :

22-03-2016

[tex](6-9)^{-3} =\\\\(-3)^{-3}=\\\\\frac{1}{(-3)^3} =\\\\\frac{1}{-3\times -3\times -3}=\\\\\frac{1}{-27}=\\\\\boxed{\bf{-\frac{1}{27}}}[/tex]

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