Answer:
To solve this problem, we have to remember PEMDAS, which states the order of operations.
We see that we have to simplify the exponents before we add or subtract so we have:
3^3-17
3(3)(3)-17 <-- Remember that 3^3 is equal to 3 times 3 times 3
27-17
10
So, 10 would be your answer.
Let me know if this helps!