What is the sum of X+XX+XXX+XXXX?
Last Updated: 30.06.2025 04:37

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
11010X
It’s a matter of interpretation.
17 more Rite Aid stores to close in WA, including 4 Bartell Drugs - The Seattle Times
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)
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
Orton advances in the King of the Ring after the Paul Heyman Guys screw LA Knight - Cageside Seats
1234X
What is the sum of X+XX+XXX+XXXX?
and for binary would be