What is the sum of X+XX+XXX+XXXX?
Last Updated: 19.06.2025 01:24
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)
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
Turn This ChatGPT Prompt Into A Six-Figure Passive Income Stream - Forbes
However, X +X^2 +X^3 + X^4 is a valid algebraic answer,
*Note that the abbreviation XL (for XXXX) appeared quite late in the Roman period, and never found universal favour
What is the sum of X+XX+XXX+XXXX?
Brad Pitt and Tim Cook surprise fans at Apple Fifth Avenue ahead of ‘F1 The Movie’ release - 9to5Mac
and for binary would be
11010X
1234X