What are the answers to this thing idk how to do this

How do you do this geometry problem

Elizabeth claims that the fourth root of 2 can be expressed as 2^m since (2^m)^n = 2. find the values of m and n for the case where elizabeth's claim is true.

Iknow its nothing to do with education, but what type of thing should i wrote here? ? : ) its for mcdonald's btw.