The roman form of decimal 620 is: D C X X
Converting between Arabic and Roman Numbers we get,roman numeral CD in standard form is written as 400. CD=400.
904.
DCXLVIII
1319
On Converting between Arabic and Roman Numbers we get: 40 in roman numerals is written as : XL
The roman form of decimal 620 is: D C X X
The Hindu-Arabic numeral system is what we use today in the form of: 0 1 2 3 4 5 6 7 8 and 9 The Roman numeral system was used in the past in the form of: I V X L C D and M
Converting between Arabic and Roman Numbers we get,roman numeral CD in standard form is written as 400. CD=400.
In word form- Sixty-four; In expanded form-6x10 + 4x1; In place value form- 6 tens + 4 ones; In arabic numeral form- 64; In Roman numeral- LXIV
904.
sonbi
DCXLVIII
1319
That is not proper form for a Roman Numeral.
They are incorrectly arranged to form any Roman numeral. But as MCCCLXXVI = 1376
XD is not in the standard form for a Roman numeral, but I would guess its value is 490. It should be written as CDXC