If the percentage error in the measurement of length and breadth of a rectangle are 2% and 3% repectively then the percentage error in the determination of the area is 5%

The percentage errors in the measurement of the length (L) and breadth (B) of a rectangle are 1% and b% respectively . Then the percentage error in the calculation of the area will be "_______"

The percentage error in the measurement of mass and speed of a body are 2% and 3% respectively. What will bek the maximum percentage error in the estimation of kinetic energy of the body?

The percentage error in the measurement of mass and speed are 2% and 3% respectively. Maximum estimate of percentage error of K.E