What is the sum of X+XX+XXX+XXXX?
12.06.2025 08:52
However, X +X^2 +X^3 + X^4 is a valid algebraic answer,
and for binary would be
What is the sum of X+XX+XXX+XXXX?
Patriots decline to say whether Stefon Diggs has passed key physical in contract - NBC Sports
It’s a matter of interpretation.
1234X
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)
This Expensive-Looking Swivel Chair Will Almost Certainly Sell Out Again - HuffPost
*Note that the abbreviation XL (for XXXX) appeared quite late in the Roman period, and never found universal favour
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