The mass of a box measured by a grocer's balance is 2.300kg. Two gold pieces of masses
Channel: Doubtnut
Date: 2020-07-05

The mass of a box measured by a grocer's balance is 2.300kg. Two gold pieces of masses 20.15 g and 20.17 g are added to the box. What is (a) the total mass of the box, (b) the difference in the masses of the pieces to correct significant figures?