A jeweller put a diamond weighing 5.42 g in a box

unitsandmeasurement
cbse

#1

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


#2

Weight of diamond = 5.42 g =0.00542 kg Total weight = 1.2 + 0.00542
= 1.20542 kg =1.2 kg