What is the sum of X+XX+XXX+XXXX?
Last Updated: 19.06.2025 05:10
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)
and for binary would be
It’s a matter of interpretation.
However, X +X^2 +X^3 + X^4 is a valid algebraic answer,
*Note that the abbreviation XL (for XXXX) appeared quite late in the Roman period, and never found universal favour
1234X
Apple’s Upgrades to CarPlay, iPad and Vision Pro Outshine Liquid Glass - Bloomberg.com
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?
11010X
What might be the social consequences of an ethnic as opposed to a civic conception of the nation?