Three dust particles collected from a laboratory bench have masses given below: , ,

PHYSICS · Multi-part · CBSE · Physics · Units and Measurements · Units and Measurements

Problem

Three dust particles collected from a laboratory bench have masses given below: A:4.28×10−7 gA: 4.28\times10^{-7}\,\text{g}, B:3.6×10−8 gB: 3.6\times10^{-8}\,\text{g}, C:7.12×10−9 gC: 7.12\times10^{-9}\,\text{g}. Calculate: (i) The total mass of the three particles, expressed in scientific notation and rounded to three significant figures. (ii) The same total mass expressed in kilograms, keeping the same number of significant figures.

Related theory

Browse the problem library