What is the sum of X+XX+XXX+XXXX?
08.06.2025 05:06

It’s a matter of interpretation.
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
and for binary would be
Djokovic vs Norrie: Things we learned - Roland Garros
1234X
11010X
However, X +X^2 +X^3 + X^4 is a valid algebraic answer,
Why do you think it is bad to allow people to self-identify as a different gender?
*Note that the abbreviation XL (for XXXX) appeared quite late in the Roman period, and never found universal favour
What is the sum of X+XX+XXX+XXXX?
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)