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OpenStudy (anonymous):
Evaluate. log7 343.
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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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