0.21 km (1000 meter/1 km)(100 centimeters/1 meter)
21000 centimeters
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you could do this in your head just by moving decimals and will do just that with experience
.021 kilometers
0.00046 kilometers
84900
1.61 kilometers = 161,000 centimeters.
50,000 centimeters = 0.5 kilometers.
20 kilometers = 12.43 miles.
4 kilometers=400,000 centimeters
9cm is 0.09m, is 0.00009km
0.00085 kilometers
There are 100000 centimetres in one kilometre. Therefore, 0.235 centimetres is equal to 0.235 / 100000 = 0.00000235 kilometres.
There are 100000 centimetres in one kilometre. Therefore, 3.5 centimetres is equal to 3.5 / 100000 = 0.000035 kilometres.
There are 100000 centimetres in one inch. Therefore, 456 centimetres is equal to 456/100000 = 0.00456 kilometres.