8 to the power of 3 would look like 8³. To answer 8³ all you need to do is multiply the base itself how many times the power tells you yo.
SO, to solve 8³ we will do the following:-
8 × 8 × 8 = 512
OR
8 × 8 = 64
64 × 8 = 512
SO, 8³ = 512.
Hope I helped ya!!