What is the sum of X+XX+XXX+XXXX?
Last Updated: 01.07.2025 02:35
*Note that the abbreviation XL (for XXXX) appeared quite late in the Roman period, and never found universal favour
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
1234X
What is the best music album of all time?
and for binary would be
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
Increase in Ariane 6 launch cadence could take several years - SpaceNews
However, X +X^2 +X^3 + X^4 is a valid algebraic answer,
What is the sum of X+XX+XXX+XXXX?
It’s a matter of interpretation.
A Giant Hole Just Opened in The Sun – And It's Blasting Earth With Solar Wind - ScienceAlert