Answer
$e^{-0.437}=0.646$
Work Step by Step
We know that $\log_ab=c\Leftrightarrow a^c=b$ and $\ln b=c\Leftrightarrow e^c=b$.
Hence here: $\ln0.646=-0.437\Leftrightarrow e^{-0.437}=0.646$
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