What is the sum of X+XX+XXX+XXXX?
16.06.2025 07:53
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
*Note that the abbreviation XL (for XXXX) appeared quite late in the Roman period, and never found universal favour
The sun's poles have flipped. A spacecraft is watching what happens next. - Mashable
It’s a matter of interpretation.
What is the sum of X+XX+XXX+XXXX?
However, X +X^2 +X^3 + X^4 is a valid algebraic answer,
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
and for binary would be
Why did Sumire's summoning Nue act strangely in response to Kawaki's karma?