It just won't stop...
Algebra
Level
2
\(\textbf{What is the last digit of:}\)
\(\huge \color{red}{1!} \color{darkblue}+\color{orange}{2!} \color{darkblue}+\color{green} {3!} \color{darkblue}+ \color{teal}{4!} \color{darkblue}+ \color{purple}{5!} \color{darkblue}{+ ... +} \color{hotpink}{2015!}\)
\(\textbf{NOTES:}\)
\(\text{No need to bash, in fact very simple!}\)
\(\text{Implied from above ... NO CALCULATORS!!!}\)
\(\LaTeX\text { for life!}\)
by
Andrew The