400 m is equal to 2/5 of 1 km.
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To find the fraction in its lowest terms, we need to simplify the ratio of 400 meters to 1 kilometer. Since 1 kilometer is equal to 1000 meters, the fraction can be written as 400/1000. To simplify this fraction, we can divide both the numerator and the denominator by their greatest common factor, which is 200. This simplifies the fraction to 2/5. Therefore, 400 meters is equivalent to 2/5 of 1 kilometer in its lowest terms.
600metres.
400 m is 0.4 km There are 1000 meters in a kilometer.
To convert from kilometres per minute to metres per second, multiply by 16 and two thirds (a fraction equal to 1000/60, or, cancelled down to a fraction in its lowest terms, 50/3). Therefore, 1 kilometre per minute is equal to 16.6 recurring metres per second.
1.75 as a fraction of a kilometer is 1.75 per km or 7/4 per km
There are 1000 metres in one kilometre. Therefore, expressed as a fraction in its simplest terms, 546 metres is equal to 273 five-hundredths of a kilometre. **** While 273/500 km may be correct, a decimal fraction would be the more usual way of expressing the answer. 546 m = 0.546 km