Answer:
C
Step-by-step explanation:
Educated guess
Answer: Down there there is an image with the correct answer and step by step
I hope that it helps you!
When exponents are separated by a parenthesis it means you need to add them. Because the parenthesis is around the entire number then you raise everything inside the parenthesis to the outside exponent. Then anything raised by 0 as an exponent is automatically 1.
You think of this visually as 3a*3a*3a= 27a^9 is your answer