80
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The Roman numeral XXC represents the combination of 20 (XX) and 100 (C), with the smaller numeral preceding the larger one, indicating subtraction. Therefore, XXC translates to 100 - 20 = 80. In Roman numerals, the smaller numeral placed before a larger numeral is subtracted from the larger numeral, while a smaller numeral placed after a larger numeral is added to it.
Oh, what a happy little question! XXC in Roman numerals is 90. You see, the X represents 10, and when placed before another X, it means to subtract 10 from 100, giving us 90. Keep exploring the beauty of numbers, my friend!
Oh, dude, you're asking about Roman numerals? That's like asking me to calculate the trajectory of a marshmallow flying through a tornado. Anyway, XXC is not a valid Roman numeral. It's a mix of Arabic and Roman numerals, which is like wearing a tuxedo with flip-flops - just doesn't work. XX is 20 in Roman numerals, but C represents 100, so XXC is just a jumble of numbers that don't add up in the Roman system.
In Roman numerals, XX represents 20 and C represents 100. According to the rules of Roman numerals, a smaller value numeral can only be placed before a larger value numeral to subtract from it. Since XX (20) is smaller than C (100), it cannot be written in the reverse order as XXC (80) because it would violate the subtractive principle of Roman numerals.
Roman Numeral DXII is value 512.
K is not a Roman Numeral.
The value of the Roman numeral XIV is 14.
The value of the Roman numeral XXXIX is 39.