Q. 174.3( 11 Votes )

Mass of earth is (5.97 x 1024) kg and mass of moon is (7.35 x 1022) kg. What is the total mass of the two?

Answer :

Given,


Mass of the earth = 5.97 × 1024 kg


Mass of the moon = 7.35 × 1022 kg


Now,


Mass of the earth = 5.97 × 1024 = 5.97 × 10(2+22) = 5.97 × 102 × 1022 = 597 × 1022


So,


We can also Wright the mass of the earth as 597 × 1022 kg


Sum of the masses of the earth and the moon;


= (597 × 1022) + (7.35 × 1022) = (597+7.35) × 1022 = 604.35 × 1022 kg


= 6.0435 × 100 × 1022 = 6.0435 × 102 × 1022 = 6.0435 × 10(2+22) = 6.0435 × 1024 kg

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