What is the sum of X+XX+XXX+XXXX?
08.06.2025 03:03

It’s a matter of interpretation.
What is the sum of X+XX+XXX+XXXX?
1234X
Testosterone heightens men’s sensitivity to social feedback and reshapes self-esteem - PsyPost
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,
If you received hand-me-downs as a child, how did they make you feel?
11010X
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
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)