Final answer:
The Roman numeral MCMXLIV converts to the Arabic numeral 1944.
Step-by-step explanation:
The Roman numeral MCMXLIV corresponds to the Arabic numeral 1944. To convert Roman numerals to Arabic numerals, you must understand the value of each symbol. Here, M represents 1000, CM means 900 (1000 - 100), XL stands for 40 (50 - 10), and IV indicates 4 (5 - 1). Adding those values together, we get 1000 + 900 + 40 + 4, which equals 1944.