To round 2.1 km to the nearest meter, you first need to convert kilometers to meters. Since 1 km is equal to 1000 meters, 2.1 km is equal to 2100 meters. To round to the nearest meter, you look at the digit in the units place - in this case, it's 0. Since 0-4 rounds down and 5-9 rounds up, 2100 meters rounded to the nearest meter is 2100 meters.
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It doesn't need to be rounded. 2.1 km is the same as 2,100 meters. That's already
rounded to the nearest meter, the nearest 10 meters, and the nearest 100 meters.
It is 4674 km rounded
28 km
200 km
1 km = 1000 meters 1 meter = 0.001 km
Meter, kilometer is the SI equivalent to the mile.