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Mathematics, 17.10.2020 20:01 blackopsty23

Which expression is equivalent to $(7^{3})^{-2}$ ? A. $\frac{1}{7x7x7x7x7x7}$

B. 7

C. $\frac{1}{7}$

D. $\frac{-1}{7x7x7x7x7x7}$

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