thelovleytalia21 thelovleytalia21

05-05-2017
Mathematics

contestada

Which expression is equivalent to (7^3)−2?

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apologiabiology apologiabiology

05-05-2017

reemmeber
[tex](x^m)^n=x^{mn}[/tex] and
[tex]x^{-m}= \frac{1}{x^m} [/tex]

so
[tex](7^3)^{-2}=7^{-6}= \frac{1}{7^6} [/tex]

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Kennedy10101 Kennedy10101

05-05-2017

(7^3)-2=341
(7*7*7)-2=341

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