Answer:Instead of dividing the diameter by two to get the radius, the coworker multiplied the diameter by two, getting a value of 340 feet for the radius. Here’s the incorrect calculation:
volume of a cylinder ≈ 3.14 × (radius)2 × height
= 3.14 × (340 ft)2 × (60 ft)
= 3.14 × (115,600 ft2) × (60 ft)
= 21,779,040 ft3
Explanation: