Can you solve the all parts of the problem

15 points ! ~ see if you know the answer to both you!

Find the value. a. 0.003 b. 0.03 c. 0.3 d. 3

I’m on question 7 it says a covered water tank is in the shape of a cylinder the tank has a 28 inch diameter and a height of 66 inches to the nearest square inch what is the surface area of the water tank