What is the sum of X+XX+XXX+XXXX?
11.06.2025 09:00

and for binary would be
It’s a matter of interpretation.
However, X +X^2 +X^3 + X^4 is a valid algebraic answer,
Team of the Matchday: Tani carries Minnesota, Joveljić sparks Sporting KC - MLSsoccer.com
11010X
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
What is the sum of X+XX+XXX+XXXX?
What great song was "ruined" once you really listened to the lyrics?
1234X
*Note that the abbreviation XL (for XXXX) appeared quite late in the Roman period, and never found universal favour
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)