Question

How we change 280m,140m into kilometre

Answer 1

Friend, to convert from meter to kilometers, you have to divide the numbers by 1000.

The reason is..
1km=1000m.
So, 1m = 1/1000km.

280m= 280/1000 km= 0.280 km

140m=140/1000 km=0.140 km

Hope it helps.
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Answer 2

one kilometre=1000m
so, one metre =1/1000km..
280metre=280/1000=0.280km
and 140 metre=140/1000=0.140km..

HOPE IT HELPS U..