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Mathematics 48 Online
OpenStudy (anonymous):

Evaluate. log7 343.

OpenStudy (anonymous):

\[\log_7(343) = \log_7(7)^3 \implies3 \cdot \log_7(7) \implies 3 \cdot (1) = 3\]

OpenStudy (anonymous):

thank you!

OpenStudy (anonymous):

Power rule says that: \[\large \log_n(x)^a = a \cdot \log_n(x)\]

OpenStudy (anonymous):

\[\large \log_a(a) = 1\]

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