LIXImproved Answer:-In todays notation of Roman numerals: 409 = CDIX
CDIX
409
CDIX is supposed to represent 409
The Roman numeral CDIX represents the number 409
LIXImproved Answer:-In todays notation of Roman numerals: 409 = CDIX
CDIX
2.045 = 409/200
409/1000
15000&409
409
409 = (4 x 100) + (0 x 10) + (9 x 1)
CDIX is supposed to represent 409
four hundred nine. no "and"
5 409 050.64
0.409 as a fraction in the simplest form is 409/1000
The Roman numeral CDIX represents the number 409