Answer:
a)
1cm = 10mm
250cm = 250*10 = 2500mm
b)
1km = 1000m
5000m = 5000/1000 = 5km
c)
1m = 100cm
1km = 1000*100 = 100000cm
200km = 200*100000 = 20000000cm
a = 2500mm
b = 5km
c = 2e+7
Explanation:
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