What is the sum of X+XX+XXX+XXXX?
16.06.2025 00:09

1234X
and for binary would be
11010X
Is the Las Vegas Grand Prix considered one of the "premier events on the Formula 1 calendar?"
*Note that the abbreviation XL (for XXXX) appeared quite late in the Roman period, and never found universal favour
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
China extracts critical mineral rubidium from brine for first time - South China Morning Post
What is the sum of X+XX+XXX+XXXX?
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,