What is the sum of X+XX+XXX+XXXX?
Last Updated: 02.07.2025 18:41
11010X
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)
*Note that the abbreviation XL (for XXXX) appeared quite late in the Roman period, and never found universal favour
Why acetaminophen works: New discovery ends longstanding mystery - Medical Xpress
However, X +X^2 +X^3 + X^4 is a valid algebraic answer,
It’s a matter of interpretation.
and for binary would be
This supermassive black hole is eating way too quickly — and 'burping' at near-light speeds - Space
What is the sum of X+XX+XXX+XXXX?
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
Why electricity prices are surging for U.S. households - MSN