There are 1000mm in a metre. First we convert 8 metres to mm. i.e. 8x1000 is 8000mm. 8000/400 is 20. It goes in 20 times so there are 20 lengths.
You cannot convert 400 meters to 3 kilometers. They are two different lengths. 1 kilometer = 1,000 meters. 3 kilometers would be 3,000 meters. 400 meters would be 0.4 kilometers
A square with side lengths of 20 meters has an area of 400 square meters.
4,000. A millimeter is 1/10 of a centimeter.
400 meters = about 1,312.34 feet.
400 meters is 0.4km (divide meters by 1,000)
400 meters = 437.45 yards.
Oh, dude, you're hitting me with some intense math here. So, if we have a 4-meter ribbon and cut it into 20cm lengths, that means we're getting 20 pieces out of it. Each piece is 0.2 meters long because 20cm is 0.2 meters. Math is wild, man.
The difference between them is 3,600 meters.4 km is ten times as long as 400 m.
400 decimeters is 40 meters.
400 meters
400 feet is equivalent to approximately 121.92 meters.
400 meters = 437.45 yards