\( \definecolor{colordef}{RGB}{249,49,84} \definecolor{colorprop}{RGB}{18,102,241} \)
For the series \(e^{x}=1 + x + \frac{x^2}{2!} + \frac{x^3}{3!}+\frac{x^4}{4!}+\dots \), write the series using sigma notation.
\(e^x=\displaystyle\sum_{n=0}^\infty \)