The first 2 and last 2. I just did this assignment
Answer:

Step-by-step explanation:
Add up all the sides to get the perimeter:

So the formula for a volume of a sphere is 4/3 times pi times the radius cubed.
step one: 4/3 times 3.14 = 4.18666666667
Step two: then you cube 8.5 and get 592.45
the final answer is 2,480.3906