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Question

Convert:
4200 metres = ___kilometers


A
4 kilometers 20 hectometers
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B
40 kilometers 20 hectometers
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C
40 kilometers 2 hectometers
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D
4 kilometers 2 hectometers
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Solution

The correct option is D 4 kilometers 2 hectometers

To convert a smaller unit (m) to a larger unit (km) we divide by the conversion factor.
We know that 1000m = 1km
Therefore 4200 m = 4200 ÷ 1000

= 4.2 km

Answer: option D. 4.2km


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