Question

zamień na kilogramy

30 dag, 1200mg, 20 dag,

zamień na sekundy

1,5h, 3 min, 1 doba, 2h 37 min

Answer 1

zamień na kilogramy

30 dag = 0,3kg

1200mg = 1,2g = 0,012kg

20 dag = 0,2kg

zamień na sekundy

1,5h = 1,5*60*60 = 5400s

3 min = 3*60 = 180s

1 doba = 24*60*60 = 86400

2h 37 min = 60(2*60+37) = 9420s

Answer 2

1kg = 1 000 00mg
1kg = 0,2dag
1h = 3600s
1doba = 86 400s
+++++++++++++++++++
zamień na kilogramy
30 dag = 0,3kg
1200mg  = 1200/1 000 000 = 0,0012kg
20 dag = 0,2kg

zamień na sekundy
1,5h = 5 400s
3 min  = 180s
1 doba = 86 400s
2h 37 min = 7 200 + 2 220 = 9 220s