Answer:
h^4
Step-by-step explanation:
First, let's expand each of these numbers
h^4 = h * h * h * h
h^8 = h * h * h * h * h * h * h * h
Now, lets find what they have in common.
h^4 = h * h * h * h
h^8 = h * h * h * h * h * h * h * h
They both have 4 h's.
So, the answer is h^4.
