Find the volume of a concrete pipe with outer radius 7 metres, inner radius 3 metres and length 13 metres. Write your answer correct to two decimal places.
Please directly answer the question and provide the final value, e.g., 1, 2.5, 300.
Question: Find the volume of a concrete pipe with outer radius 7 metres, inner radius 3 metres and length 13 metres. Write your answer correct to two decimal places.
Please first conduct reasoning, and then answer the question and provide the final value, e.g., 1, 2.5, 300, at the end.
Question: Find the volume of a concrete pipe with outer radius 7 metres, inner radius 3 metres and length 13 metres. Write your answer correct to two decimal places.