They represent 1110 and 709 respectively.
709
MCX
In todays modern notation of Roman numerals it is: 709 = DCCIX
MCX = 1110
MCX = 1110.1,1101,000 + 100 + 10
709 = DCCIX
Examples: XXI - IX = XII (21 - 9 = 12) MMX - CM = MCX (2010 - 900 = 1110)
1,110 = MCX
the answer to what is the roman numeral for 101 is CI
XXV is the Roman Numeral for 25
324 written in roman numeral is CCCXXIV
No, K is not a roman numeral.