1. The problem is to convert the number 100 from decimal (base 10) to Roman numerals.
2. Roman numerals use letters to represent values: I=1, V=5, X=10, L=50, C=100, D=500, M=1000.
3. To write 100 in Roman numerals, we use the symbol for 100, which is C.
4. Therefore, 100 in Roman numerals is simply C.
Final answer: **C**
Decimal To Roman F4Fa89
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