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?

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

The mass of a box measured by a grocer's balance is 2.3 kg. Two gold pieces of masses 20.15 g and 20.17g are added to the box. What is (a) total mass of the box (b) the difference in masses of gold pieces to correct significant figures.

A grocer's balance shows the mass of an object as 2.500 kg. Two gold pieces of masses 21.15 g and 21.17 g are added to the box. What is (a) the total mass in the box and (b) the difference in the masses of the gold pieces to the correct number of significant figures?

The mass of a box measured by a grocer's balance is 4.2 kg . Two additional masses 10.20 g and 15.25 g are added to the box . What is the total mass of the box ?

The mass of a box is 2.3 kg . Two marbles of masses 2.15 g and 12.48 g are added to it. The total mass of the box is

The mass of a box is 2.3 kg . Two marbles of masses 2.15 g and 12.39 g are added to it . Find the total mass of the box to the correct number of significant figures.

Two gold pieces, each of mass 0.035 g are placed in a box of mass 2.3 g. The total mass of the box with gold pieces is

A bomb of mass 3.0 kg explodes in air into two pieces of masses 2.0 kg and 1.0 kg . The total energy imparted to the two fragment is