What is the sum of X+XX+XXX+XXXX?
Last Updated: 20.06.2025 07:35

*Note that the abbreviation XL (for XXXX) appeared quite late in the Roman period, and never found universal favour
However, X +X^2 +X^3 + X^4 is a valid algebraic answer,
What is the sum of X+XX+XXX+XXXX?
What made you feel disgusted today?
It’s a matter of interpretation.
1234X
Given the use of upper case, I personally would initially assume Roman numerals*, so the answer would be C (100 in present-day decimal notation)
What are your thoughts on RM's new album "Right Place, Wrong Person"?
as would be assuming that these are representations of conventional numbers, in which case the answer for number bases of five or more would be
11010X
and for binary would be
Low-carb diets linked to reduced depression symptoms — but there’s a catch - PsyPost