which expresion would you multiply the exponents

responses:
3 exponent 3/ 3 exponent 2
(3 exponent 3) exponent 2
3 exponent 3 + 3 exponent 2
3 eponent 3 x 3 exponent 2

You would multiply the exponents by choosing the expression 3 exponent 3 x 3 exponent 2.