72000 metres make 72 km
There are 100 centimetres in a metre."cent" means 100, and so there are 100 cents in a dollar, 100 centimetres in a metre, and 100 years in a century.
67000cm=670meters
4,500,000 metres (14,763,779 feet and 6.33 inches)
Not meters - square meters. Hectar is a unit of area, which you can't compare with linear measurements. A hectare has 10,000 square meters. Imagine a square of 100 x 100 meters - although any...