What is the sum of X+XX+XXX+XXXX?
08.06.2025 00:01
1234X
It’s a matter of interpretation.
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)
Nintendo Switch 2 Welcome Tour overview trailer - Nintendo Everything
*Note that the abbreviation XL (for XXXX) appeared quite late in the Roman period, and never found universal favour
11010X
What is the sum of X+XX+XXX+XXXX?
Why do people think Justin Bieber is worse than Joseph Stalin?
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
However, X +X^2 +X^3 + X^4 is a valid algebraic answer,
and for binary would be
Is anyone else losing complete respect for the US at this point?