0
There are 1000 metres in one kilometre. Therefore, 523 metres is equal to 523/1000 = 0.523 kilometres.
Odd
5230mm
52300%
523:
= 523 * 100%
= 52300%
194 + 329 = 523. Found by subtracting 329 from 523. 523 - 329 = 194.