Question

I really need help on this one I can not get this one wrong http://imgur.com/wCExeCJ check all that apply i think e is one of them

Answer 1

\(\large \bf {
a^n\cdot a^m\implies a^{n+m}\qquad thus
\\ \quad \\
4^3\cdot 4^x\implies {\color{brown}{ 64\cdot 4^x}}\implies 4^3\cdot 4^x\implies {\color{brown}{ 4^{3+x}}} }\)