ajsimon56781 ajsimon56781

22-08-2016
Mathematics

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8³ × 8 -5 the negative 5 is a exponent

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22-08-2016

[tex] 8^{3} [/tex]*[tex] 8^{-5} [/tex]
8^3 is 8*8*8=512
so its 512*8^-5
According to my calculator 8^-5 is 0.00003051757
so its 512*0.00003051757=0.01562499584

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22-08-2016

[tex]8^38^{-5}=8^{3-5}=8^{-2}= \frac{1}{8^2} = \frac{1}{64} =0,015625[/tex]

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