What is the sum of X+XX+XXX+XXXX?
Last Updated: 02.07.2025 18:25
It’s a matter of interpretation.
1234X
and for binary would be
Zoning Out or Zoning In? How Aimless Wandering Trains the Brain - Neuroscience News
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
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
15 Retinol-Rich Foods To Stimulate Collagen - Vogue
However, X +X^2 +X^3 + X^4 is a valid algebraic answer,
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