What is the sum of X+XX+XXX+XXXX?
Last Updated: 30.06.2025 14:37

What is the sum of X+XX+XXX+XXXX?
*Note that the abbreviation XL (for XXXX) appeared quite late in the Roman period, and never found universal favour
11010X
NASA Switches to Backup Fuel Line After Psyche Thruster Glitch - Gizmodo
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)
It’s a matter of interpretation.
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
Is 1500 calories enough for a 5’3 15-year-old who is non-active?
However, X +X^2 +X^3 + X^4 is a valid algebraic answer,
1234X
and for binary would be
Final Fantasy 16 runs at 720p on Xbox Series X in performance mode - Video Games Chronicle