What is the sum of X+XX+XXX+XXXX?
10.06.2025 02:12
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,
11010X
Ultra-thin lenses halve incident wavelength to make infrared light visible - Phys.org
and for binary would be
What is the sum of X+XX+XXX+XXXX?
*Note that the abbreviation XL (for XXXX) appeared quite late in the Roman period, and never found universal favour
Lawyers could face ‘severe’ penalties for fake AI-generated citations, UK court warns - TechCrunch
It’s a matter of interpretation.
1234X
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
‘It Is Going to Happen’: JPMorgan CEO Jamie Dimon Warns of Crack in the Bond Market - Barron's