# How do you write ln 4= 1.386.. in exponential form?

${e}^{1.386 \ldots} = 4$
$\ln \left(4\right)$ is just another way of writing ${\log}_{e} \left(4\right)$
${\log}_{b} \left(a\right) = c \textcolor{w h i t e}{\text{X")hArrcolor(white)("X}} {b}^{c} = a$