What is the sum of X+XX+XXX+XXXX?
13.06.2025 02:12

It’s a matter of interpretation.
11010X
and for binary would be
Massive iron reserve worth trillions discovered could reshape the global economy - Glass Almanac
1234X
However, X +X^2 +X^3 + X^4 is a valid algebraic answer,
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
I want to have anal sex, but my wife refuses. What do I do?
What is the sum of X+XX+XXX+XXXX?
*Note that the abbreviation XL (for XXXX) appeared quite late in the Roman period, and never found universal favour
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)
A Cosmic Tech Mystery Results in Literal Lost Souls in This Sci-Fi Short Story - Gizmodo