Question

The radius of a sphere is (20+_0•2)cm calculate it's volume with error

Answer 1

Explanation:

r+_∆r

∆r/r ×100

volume of sphere with error: 4πr power 3

therefore,3 ×(∆r/r)×100

so the final answer is, 3× (0.2/20×100)

(4/3 and π has no error as it is constant.)