a) 1 m = 100 cm.
0.05 m = 0.05×100
= 5 cm
b) 1000 gm = 1kg
50 = 50/1000
= 0.05 kg
c) 1000000 mm = 1 km
25 = 25/1000000
= 0.0000025 km
Hope understands.
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