Arabic numerals are called that because the European interpretation of those numbers comes from the Arabs. The numerals are called Arabic numerals (even though they do not resemble modern Arabic numerals in the slightest) to distinguish them from Roman numerals.
30 in Arabic numerals is ٣٠
The Roman numerals lvi or LVI converted into Arabic numerals are 56
The Roman numerals LXVII=67 in Hindu Arabic numerals.
In Arabic numerals, it is 616. In Roman numerals, it is DCXVI.
44 IS Arabic Numerals.
192 is already in Arabic numerals
The Roman numerals of XXVIII are the equivalent of 28 in Hindu-Arabic numerals
dcccxiii in Roman numerals is equivalent to 813 in Hindu-Arabic numerals.
Hindu Arabic numerals are the ones we use. 39 is already in Hindu-Arabic numerals.
The equivalent Arabic numerals of the Roman numerals CC are 200
The Roman numerals of XX are the equivalent of 20 in Hindu-Arabic numerals