What is the sum of X+XX+XXX+XXXX?
10.06.2025 03:02

1234X
11010X
What is the sum of X+XX+XXX+XXXX?
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
*Note that the abbreviation XL (for XXXX) appeared quite late in the Roman period, and never found universal favour
Europe will have to be more Tenacious to land its first rover on the moon - TechCrunch
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,
It’s a matter of interpretation.
Walmart Nintendo Switch 2: it was in stock and will be back next week - The Shortcut | Matt Swider