I'm assuming you're subtracting. It would be 3.9. The second one would be 0.65.
Answer:1/3 to the 3rd = 1/9 units
Step-by-step explanation:
a^3 = volume of a cube part 2: 1/2 to the power of 1/2
The formula to find the volume of a cylinder is 3.14 • r squared • h