Answer:
D) 3^4
Step-by-step explanation:
The rule for multiplying numbers with exponents is a^b * a^c = a^b+c
The 3 in this problem has no exponent so convert it to 3^1
Now we have: 3^1 * 3^3
Apply the rule to our problem and add exponents: 3^1 + 3 =
3^4
