I do believe the answers in a row are A: x, B: 40, C: 12, D:y
Answer:
V = 2143.57
Step-by-step explanation:
To find the volume of a sphere you need to use this formula:

r = radius
Solve:
You need the radius from the diameter. Divide 16/2 which is
8.

V = 2143.57
3.482 x 10^9.
-the coefficient must be under 10, and in this case it is the "3". Then you count the places after that to get your exponent