# How do you evaluate e^ (ln sqrt20)?

${e}^{\ln \left(\sqrt{20}\right)} = \sqrt{20}$
Let $x = {e}^{\ln \left(\sqrt{20}\right)}$, then
lnx=ln(sqrt20)) or $x = \sqrt{20}$.
Hence, ${e}^{\ln \left(\sqrt{20}\right)} = \sqrt{20}$