True, When comparing numbers that have the same number of digits, we look at the first digit of each number., The Roman numeral system was created by the ancient Romans for counting and daily use., In Roman numerals, the letter X represents the number 10., The Roman numeral for the number 9 is written as IX., 5 024 370 000 is written as: Five billion, twenty-four million, three hundred seventy thousand., False, The Roman numeral system uses the letters A, B, and C instead of digits., In Roman numerals, IV is calculated as 5 + 1 = 6.

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