CDXL equals which Arabic numeral?

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Multiple Choice

CDXL equals which Arabic numeral?

Explanation:
Understanding Roman numerals involves recognizing subtractive pairs. When a smaller numeral comes before a larger one, you subtract it. In CDXL, the pair CD means 500 minus 100, giving 400. The pair XL means 50 minus 10, giving 40. Add these parts together: 400 + 40 = 440. So CDXL equals 440. For reference, 450 would be CDL, 430 would be CDXXX, and 420 would be CDXX.

Understanding Roman numerals involves recognizing subtractive pairs. When a smaller numeral comes before a larger one, you subtract it. In CDXL, the pair CD means 500 minus 100, giving 400. The pair XL means 50 minus 10, giving 40. Add these parts together: 400 + 40 = 440. So CDXL equals 440. For reference, 450 would be CDL, 430 would be CDXXX, and 420 would be CDXX.

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