What is the Roman numeral representation for the number 10?

The Roman numeral representation for the number 10 is X. This is a fundamental aspect of Roman numeral notation where specific letters are assigned values. The letter "X" is specifically designated to represent the value of ten.

In the context of Roman numerals, L represents 50, C represents 100, and V represents 5. This differentiation is crucial for understanding how larger numbers are structured using combinations of these symbols. The simplicity of Roman numeral rules makes it easy to see why X is the correct representation for 10, as it directly corresponds to that specific value in Roman numeral system.