Correct: 3 m=300 cm, 20 mm= 2 cm, 1t= 1000 kg, 1l= 10 dl, 24h = 1d, 60 min = 1h, 1dl = 100 ml, 1kg =1000g, 2m 30 cm= 230 cm, 12 kk= 1a, 365d = 1a, 120min = 2h, Incorrect: 3m = 3000 cm, 20 mm= 200 cm, 1 t= 1000g, 1l= 100 dl, 24d= 1h, 60 s= 1h, 1dl = 10 ml, 1 kg= 100g, 2m 30 cm = 23 cm, 12 kk = 1h, 365d = 1 kk, 120 min = 2d,

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