What is error in density of a cube when its mass is uncertainl by `+-2 %` and length of its edge is uncertain by `+- 1%` ?

Explanation

`As rho = (M)/(V) = (M)/(L^3)`
`:. (Delta rho)/(rho) = (DeltaM)/(M) +3(DeltaL)/(L) = +- (2% +3xx1%)`
`=+-5%`