400
It is: CD = 500-100 = 400
CD = 400
CD = 400
XL=400 * * * * * No. XL is the Roman number 40. 400 is CD.
The Roman numerals "XXV" stand for the number 25.
400
CD
Do you mean what do the Roman numerals XXVII stand for? If so then they stand for the number 27.
They don't stand for anything because they are an invalid arrangement of Roman numerals
If you mean CD plus DC then in Roman numerals they add up to M meaning 400 plus 600 = 1000
XL1 in roman numerals stand for 41.
There is no K in Roman Numerals.