POMOCY Zamień na kilogramy: A.1200mg B.20g Zamień na sekundy: A.1,5h B.3 min C.1doba D.2h37min

[latex]1 kg = 1000 g \ 1 g = 1000 mg \ \ A.1200 mg = 1200 * 10 ^{-6} kg = 0,0012 kg \ B. 20 g = 20 * 10^{-3} = 0,02 kg \ \ \ \ 1h = 60 min = 3600 s \ 1 min = 60 s \ \ A. 1,5 h = 1,5 * 3600 = 5400 s \B. 3min = 3*60 = 180s \ C.1 doba = 24 h = 24 * 3600 = 86 400 s \ D.2 h 37 min = 2 * 3600 + 37 *60 = 7200 +2220 = 9420 s [latex]

1. A, 1200 mg = 1,2 g = 0,0012kg            1mg = 0,001g        1g = 0,001kg B. 20g = 0,020kg = 0,02kg 2. A. 1,5h = 1,5 ·3600s = 5400s                1h = 3600s B. 3min = 3 · 60s = 180s                      1min = 60s C. 1 doba = 1 ·24h =24h = 24 ·3600s = 86 400s          1 doba= 24h D. 2h 37min = 2 · 3600s + 37 · 60s = 7200s + 2220s = 9420s