Problem
A cylinder has a base diameter of 10 inches and a height of 8 inches. What is its volume in cubic inches, to the nearest tenths place?
Solution
Step 1 ：\(r = \frac{D}{2} = \frac{10}{2} = 5\)
Step 2 ：\(V = \pi r^2 h = \pi (5^2)(8)\)
Step 3 ：\(V \approx 628.3\)
