Answers

2016-04-12T00:03:25+05:30
1 Kilometre =1000000 millimeters.
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2016-04-12T00:06:05+05:30
1 km = 1000 m
1 m = 100 cm
1 cm = 10 mm

∴ 1 km = 1000 m
            = 1000 * 100 cm
            = 1000 * 100 * 10 mm
1 km = 10,00,000

Thus, 10,00,000 millimetres make one kilometre.
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