What is the sum of X+XX+XXX+XXXX?
10.06.2025 01:34
*Note that the abbreviation XL (for XXXX) appeared quite late in the Roman period, and never found universal favour
and for binary would be
1234X
Autism and ADHD have distinct brain connectivity signatures, study finds - Medical Xpress
What is the sum of X+XX+XXX+XXXX?
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)
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
Are you worried that the 2024 US presidential election will result in a close race?
11010X
However, X +X^2 +X^3 + X^4 is a valid algebraic answer,
It’s a matter of interpretation.