A circular well with a diameter of 4 metres , is dug to a depth of 24 metres. What is the volume of the earth dug out?  Choose the correct choice from the following answers:
A) 32 m 3
B) 36 m 3
C) 40 m 3
D) 44 m 3
E) 301.6

Rationale: "solution volume = π r 2 h ‹ = › ( 22 / 7 × 2 × 2 × 24 ) m 3 ‹ = › 301.6 m 3 . answer e"
Answer: E