Answer: 8³
Explanation:
Our task is to write this product as a power:
8×8×8
8 is being multiplied by itself 3 times, so the power that the base, 8, will be raised to, is 3:

---What are exponents?---
Exponents are powers, and they tell us how many times a number is multiplied by itself; that number is called the base. For instance, suppose we have the expression 5². Here, 5 is the base and 2 is the exponent; 5 is multiplied by itself 2 times.