What is the sum of X+XX+XXX+XXXX?
Last Updated: 23.06.2025 03:28
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
What is the sum of X+XX+XXX+XXXX?
11010X
Screen time and physical activity habits linked to adolescent stress and depression - PsyPost
*Note that the abbreviation XL (for XXXX) appeared quite late in the Roman period, and never found universal favour
and for binary would be
It’s a matter of interpretation.
UK has fingers in its ears over Trump’s defense threat - politico.eu
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)
1234X
However, X +X^2 +X^3 + X^4 is a valid algebraic answer,
What thing happened to you as a child that you haven’t let go of to this day?