Answer :

(i) 200g = 200/1000 kg [since 1 kg = 1000g] = 0.2 kg
(ii) 3470 g = 3470/10000 = 3.47 kg [since 1 kg = 1000 g] (iii) 4 kg 8 g = 4 kg + 8/10000kg [since 1 kg = 1000 g] = 4 kg + 0.008 kg = 4.008 kg