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Algebra Level 1

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

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

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by Margaret Zheng

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