What is the sum of X+XX+XXX+XXXX?
08.06.2025 00:24

It’s a matter of interpretation.
1234X
However, X +X^2 +X^3 + X^4 is a valid algebraic answer,
Elon Musk’s Reign of Corruption Chronicled in Elizabeth Warren Report - Rolling Stone
*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)
11010X
I can not sleep. what is the problem?
and for binary would be
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?
How do you fight the push and pull (manipulation) tactic if you want to win him?