What is the sum of X+XX+XXX+XXXX?
11.06.2025 00:47

What is the sum of X+XX+XXX+XXXX?
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
One of the Best Xbox Series X Games Is $56 Off Right Now - ComicBook.com
11010X
It’s a matter of interpretation.
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)
Why Cutting Carbs Usually Backfires—and What to Do Instead - EatingWell
and for binary would be
*Note that the abbreviation XL (for XXXX) appeared quite late in the Roman period, and never found universal favour
However, X +X^2 +X^3 + X^4 is a valid algebraic answer,