What is the sum of X+XX+XXX+XXXX?
11.06.2025 11:36
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)
What is the sum of X+XX+XXX+XXXX?
11010X
How do you know how physically attractive you actually are?
It’s a matter of interpretation.
However, X +X^2 +X^3 + X^4 is a valid algebraic answer,
*Note that the abbreviation XL (for XXXX) appeared quite late in the Roman period, and never found universal favour
and for binary would be
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
Brain ‘Reset Wave’ May Explain How ECT Rapidly Relieves Depression - Neuroscience News