A diamond weighs `3.71 g`. It is put into a box weighing `1.4 kg`. Find the total weight of the box and diamond to the correct number of significant figures.

A jeweller puts a diamond weighing 5.42g in a box weighing 1.2kg. Find the total weight of the box and the diamond to correct number of significant figures.

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.

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.

The weight of 14 instrumental boxes is 6.3 kg. Find the weight 20 similar boxes.

The mass of a box measured by a grocer's balance is 2.3 kg. Two gold pieces 20.15 g and 20.17 g are added to the box. (i) What is the total mass of the box? (ii) The difference in 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 balacne is 2.3 kg. 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?