Question

I don't know how to find "n" in this inequation. How to do it?
e^n>10^4
Thanks

Answer 1

logs should help

\[e^n>10^4 \]
\[ln(e^n)>ln(10^4) \]
\[n~ln(e)>4~ln(10) \]
\[n>4~ln(10) \]

Answer 2

Thanks a lot!!