Which logarithmic equation is equivalent to the exponential equation below? 67.21=e^a

asked Apr 16, 2019 179k views

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$67.21=e^a\qquad \ln\text{of both sides}\\\\\ln67.21=\ln e^a\qquad\text{use}\ \log_aa^n=n\\\\\ln67.21=a\\\\\boxed{a=\ln67.21}$

Richard Seal answered Apr 17, 2019

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Answer: in 67.21=a

Explanation:

Nicolas Pennec answered Apr 21, 2019

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