30 points to whoever can answer this question !! :D
Answer:
A-4^8
Step-by-step explanation:
4*4*4+4*4*4*4=65,536
4*4*4*4*4*4*4*4=65,536
[tex]\text{use}\ a^n\cdot a^m=a^{n+m}\\\\(4^3)(4^5)=4^{3+5}=4^8\\\\Answer:\ \boxed{a.\ 4^8}[/tex]