Question

what is the value of 2km -1000000mm?

Answer 1

1 km = 1000 m
2km = 2*1000 = 2000 m

1m = 1000 mm
2000m = 2000*1000 = 2000000 mm
2km = 2000000 mm

2000000 - 1000000 = 1000000 mm

1000000mm = 1 km

Answer:
1000000mm     or
1 km


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