What is the sum of X+XX+XXX+XXXX?
Last Updated: 01.07.2025 01:58
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
However, X +X^2 +X^3 + X^4 is a valid algebraic answer,
Joey Chestnut, barred last July, returns to Nathan’s hot dog eating contest - The Washington Post
*Note that the abbreviation XL (for XXXX) appeared quite late in the Roman period, and never found universal favour
It’s a matter of interpretation.
11010X
The ‘golden summer of cheap flights’: Now’s the time for last-minute deals - CNN
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)
What is the sum of X+XX+XXX+XXXX?
and for binary would be