Answer:
3 x 3 x 3 = 27
2 x 2 = 4
27 + 4 = 31, the answer is C
Since it is exponents
3 to the power of three means you multiply three by itself 3 times which equals 27.
Same with 2 to the power of 2,
you multiply 2 by itself 2 times therefore you get 4 and add them up to get 31.