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You know there are 100 centimeters in a meter. You also know that there are 1000 meters in a kilometer. Apply from there: 20cm*(1m/100cm)*(1km/1000m)=0.0002km
Now you want the number to times that by to get one, so divide one by the above: (1km/.0002km)= 5000
Check: You have .2m, there are 1000 m in a km-> 5000*.2m=1000m=1km
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How convert km to cm?
Multiply km by 100,000.
How do you change miles to km?
1 mile is equivalent to 1.609 kilometers. So multiply with 1.609 to get answer in kilometers. The formula to convert miles to km 1 mi * 63360 in 1 mi * 2.54 cm 1 in * 1 km 100000 cm = 1.609344 km
How much cm is in 3 km?
There are 100,000 cm in a km. Thus to convert from km to cm you have to multiply by 100,000. In this case we have 3km, so multiply that by 100,000 and you get: 3x100,000 = 300,000. Thus there are 300,000cm in 3km.
How do you convert 67 km into cm?
Multiply km x 100,000. In this case, 67 x 100,000 = 6,700,000 cm
How do you convert 28 km to cm?
Multiply 28 by 1000 to get meters then multiply again by 100 to get cm. It should be 2,800,000cm
