What is the sum of X+XX+XXX+XXXX?

Last Updated: 02.07.2025 05:48

What is the sum of X+XX+XXX+XXXX?

and for binary would be

However, X +X^2 +X^3 + X^4 is a valid algebraic answer,

What is the sum of X+XX+XXX+XXXX?

Eos iste et tenetur sunt rerum eligendi.

1234X

It’s a matter of interpretation.

*Note that the abbreviation XL (for XXXX) appeared quite late in the Roman period, and never found universal favour

Why are 'romantasy' books suddenly everywhere, and what does this say about today's readers?

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

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

I found out I have cancer—I have not told my family. We can’t afford the treatment anyway. Should I just say nothing and let nature take its course?