Question

PILNE!!!!

help!!!!

1. Zmień jednostki

7 cm/s = m/h

4km/min = m/s

2 dm/s = m/h

14m² = km²

PLIS!!!!!!!!! POMÓŻCIE! Z GÓRY DZIĘKS!!! :)

Answer 1

70 mm 400 m 0,2 m 0,14 km2

0,007 h 240 s 0,002 h

Answer 2

7cm/s=7*0,01m/1:3600h=0.07*3600m/h=252m/h

4km/min=4*1000m/60s=66,(6)m/s

2dm/s=2*0,1m/1:3600h=0,2*3600m/h=720m/h

14m^{2}=0,000014km^{2}