a) 2 dm = 200 mm
b) 2 h 10m = 780 seconds
1 h = 60 minutes
1 min = 60 seconds
2 h 10m = 130 minutes
130 minutes = 7800 seconds
c) 16g = 16,000,000 micrograms
d)0.675 mg = 0.000675 grams
e) 462 um = 0.0462 cm
f) 35km/h = 3500
35km/h = 35000m/h
35000m/h = 35000m/ 3600s
35000m/3600s = 9.72m/s
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