What is the sum of X+XX+XXX+XXXX?
Last Updated: 03.07.2025 03:54
1234X
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,
Why do people with trauma easily recognize other people with trauma through eye contact?
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
*Note that the abbreviation XL (for XXXX) appeared quite late in the Roman period, and never found universal favour
What is the sum of X+XX+XXX+XXXX?
It’s a matter of interpretation.
and for binary would be
Why do many Hong Kong Chinese look different from the Han Chinese in mainland China?