0.742 km
Ok, so in a meter there are 100 centimeters. So how many hundreds can we make out of 742. 7, so there are 7 meters in 742 centimeters, plus 42 centimeters. We could however consider the 42 centimeters as 0.42 meters, however it is not clear from the question which answer you are after. 7m or 7.42m
there are 2,500 meters in 2.5 kilometers and 5,000 meters in 5 kilometers.
1500 meters is 1.5 kilometers. To convert meters to kilometers, you need to divide the number of meters by 1000.
302 kilometers=302,000 meters
166 kilometers=166,000 meters
4 kilometers are 4,000 meters.
6,378 kilometers=6,378,000 meters
21 kilometers=21,000 meters21 kilometers = 21,000 meters
670 meters=0.67 kilometers
49 kilometers = 49,000 meters
7 meters=0.007 kilometers
4,500 meters = 4.5 kilometers