Select all the expressions that are equivalent to 78.7.

Leshane asked Feb 23, 2023

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Leshane asked Feb 23, 2023

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18 votes

$\begin{gathered} 7^8\cdot7=7^9 \\ (7^(18))/(7^9)=7^9 \\ (7^3)^3=7^9 \\ 7^4\cdot7^5=7^9 \end{gathered}$

Tyranid answered Feb 27, 2023

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