What is the sum of X+XX+XXX+XXXX?
15.06.2025 03:34
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)
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
1234X
How is sex in college like with roommates and big campuses?
What is the sum of X+XX+XXX+XXXX?
11010X
*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,
and for binary would be
It’s a matter of interpretation.