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

Last Updated: 01.07.2025 00:39

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

It’s a matter of interpretation.

and for binary 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)

Saturday Citations: Upside-down sharks; brain network functioning in psychopaths; IQ associated with better predictions - Phys.org

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

1234X

What do you think of TikTok's internal analysis finding nearly twice as many pro-Trump posts as pro-Biden ones on the platform since November?

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

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

Should you track your blood sugar with a continuous glucose monitor? - NPR