To solve exponents we need to multiply the base to itself how many ever times it says to in the exponent.
a^b
a = base
b = exponent
So lets solve:-
3² = 3 × 3 = 9
3² = 9
5² = 5 × 5 = 25
5² = 25
6³ = 6 × 6 × 6 = 216
6³ = 216
So,
3² = 9
5² = 25
6³ = 216
Hope I helped ya!! xD