What is the sum of X+XX+XXX+XXXX?
12.06.2025 02:27
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)
11010X
*Note that the abbreviation XL (for XXXX) appeared quite late in the Roman period, and never found universal favour
Do older men realize that younger women usually do not prefer them?
and for binary would be
1234X
However, X +X^2 +X^3 + X^4 is a valid algebraic answer,
Massive iron reserve worth trillions discovered could reshape the global economy - Glass Almanac
It’s a matter of interpretation.
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
What is the sum of X+XX+XXX+XXXX?