What is the sum of X+XX+XXX+XXXX?
12.06.2025 12:57
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)
11010X
*Note that the abbreviation XL (for XXXX) appeared quite late in the Roman period, and never found universal favour
What caused North Korea to go poor when at first it was rich?
It’s a matter of interpretation.
What is the sum of X+XX+XXX+XXXX?
However, X +X^2 +X^3 + X^4 is a valid algebraic answer,
Investigative Reporters Sound the Alarm at Peabody Awards - Variety
1234X
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