What is the sum of X+XX+XXX+XXXX?
Last Updated: 02.07.2025 06:53
It’s a matter of interpretation.
*Note that the abbreviation XL (for XXXX) appeared quite late in the Roman period, and never found universal favour
1234X
Is Farage right to blame the housing crisis in the UK on migration?
However, X +X^2 +X^3 + X^4 is a valid algebraic answer,
What is the sum of X+XX+XXX+XXXX?
11010X
Jennifer Garner smooches boyfriend John Miller at charity event in rare PDA moment - Page Six
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
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)