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Algebra Level 1

Which of the following is equal to \[ \large \dfrac{7^{7^{7}}}{(7 \times 7)^{7}} ? \]

\[\frac{111}{2}\] \[7^{7}-7\] \[7^{42}\] \[7^{70}\] \[7^{7^{7}-14}\]

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by Margaret Zheng

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