Question

Determine the volume of cube with error limits if its one side is measured as a=2.4plus minus0.1. Also calculate percentage error in volume

Answer 1

Given a=2.4

Volume =a^3

=2.4^3=13.824

V=a^3

dv/v=3*da/a (d is delta)

=3*0.1

=0.3

V=13.824+_0.3

Error=30%