Convert the following:
1) 2500 m to kilometres
2) 4 km to metres
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Solution
1 m = 100 cm
1 km = 1000 cm
1) 2500 m = 2000 m + 500 m
= 1000 m + 1000 m + 500
= 1 km + 1 km + 500 m
= 2 km 500 m
2) 4 km = 1000 m + 1000 m + 1000 m + 1000 m
= 4000 m