Question

30 points to whoever can answer this question !! :D

Answer 1

`\text{use}\ a^n\cdot a^m=a^(n+m)\\\\(4^3)(4^5)=4^(3+5)=4^8\\\\Answer:\ \boxed{a.\ 4^8}`

Answer 2

A-4^8

Explanation:

4*4*4+4*4*4*4=65,536

4*4*4*4*4*4*4*4=65,536