CD . D is 500,C is 100. Therefore C before D is 500- 100= 400
CD is the Roman numeral for 400.
They are written as CD and XL respectively in their abridged formats.
400
CD
To write four million in roman numeral, you would need 4,000 M's to equal 4,000,000 (one M = 1,000)Improved Answer:-It is: ((CD)) because it represents 10*1000*400 = 4,000,000
400 = CD
As a Roman numeral 326 is CCCXXVI
CCLXMMMCDXXIV is the Roman Numeral of 263424.
It is: 500 = D as a Roman numeral
CD = 400
CD
497 = 400 + 90 + 7 = CDXCVII