10 millimeters = 1 centimeter
10 centi meters = 1 decimeter
10 decimeters = 1 meter
10 meters = 1 decameter
10 decameters = 1 hectometer
10 hectometers = 1 kilometer
.......now 1000m =1 km
then 4500m = 4.5 km
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There are 1,000 meters in one kilometer. Therefore, to convert 4 and a half kilometers to meters, you would multiply 4.5 by 1,000. This gives you a total of 4,500 meters in 4 and a half kilometers.
To determine how many half meters are needed to measure 4 and a half meters, we need to divide the total length by the length of each half meter. In this case, 4 and a half meters is equivalent to 9 half meters (4.5 meters ÷ 0.5 meters). Therefore, 9 half meters are needed to measure 4 and a half meters in total.
One kilometer is 1,000 meters. Therefore, 2 kilometers is 2,000 meters, and thus, 4,000 meters (which is 4 kilometers) is greater than 2 kilometers.
4.5 km x 1000 meters in kilometer = 4500 m
4 and a half feet
There are 5 times 4 = 20 square meters