Mass of A is 9.97×1024kg and mass of B is 6.35×1022kg. What is the total mass? [3 MARKS]
Concept: 1 Mark Application: 2 Mark Total mass=9.97×1024kg+6.35×1022kg
=997×1022+6.35×1022 =(997+6.35)×1022 =1003.35×1022kg =1.00335×1025kg
Mass of earth is (5.97×1024) kg and mass of moon is (7.35×1022) kg. What is the total mass of the two?