can someone help me please I really need better grades

Answer:
Choose answers: A, C, D
Step-by-step explanation:
It is simply arithmetic. Multiply out the exponents.
Answer:
A, C, D
Step-by-step explanation:
2^6:
2 • 2 • 2 • 2 • 2 • 2 = 64
2^8:
2•2•2•2•2•2•2•2• = 256
4^3:
4•4•4 = 64
8^2:
8•8= 64
16^4:
16•16•16•16= 65,536
Hope this helps! Have a great day!