ANSWER
a. 16
b. 1
c. 64
d. 64
Step-by-step explanation
We want to simplify the following exponential expressions
a.

This implies that


b. Any non-zero number exponent zero is 1.
This implies that,

c. The given exponentiial expression is,

The bases are the same so we add the exponents.

This simplifies to,


d. We want to simplify:

This is the same as

We add the exponents now to get:
