What is the sum of X+XX+XXX+XXXX?
12.06.2025 04:28

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
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
What's the most sordid activity you've ever seen or heard about at a bachelorette party?
What is the sum of X+XX+XXX+XXXX?
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)
It’s a matter of interpretation.
Are cold plunges good for you? Here’s what the science says. - The Washington Post
11010X
1234X
and for binary would be