You would round up: 12400
It is: 12380 = (XII)CCCLXXX in Roman numerals which means 1000*12+300+80 = 12380
12380
100
4198 to the nearest 100 = 4200
That is 4800
Approx 12380 miles.
100
100
Your serial number is missing a letter and/or a letter/number preceding or above the 12380. This information is needed to determine the year of manufacture. Please re-check and ask the question again. Thank you.
100
853 rounded to the nearest 100: 900. 10853 rounded to the nearest 100: 10900.
599 to the nearest 100 is 600.