What is the sum of X+XX+XXX+XXXX?
12.06.2025 08:55
and for binary would be
*Note that the abbreviation XL (for XXXX) appeared quite late in the Roman period, and never found universal favour
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
Starliner future plans still in limbo - SpaceNews
It’s a matter of interpretation.
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)
Inside ‘Inside the NBA’ Transition to ESPN - Front Office Sports
11010X
1234X
However, X +X^2 +X^3 + X^4 is a valid algebraic answer,