What is the sum of X+XX+XXX+XXXX?
09.06.2025 02:21
*Note that the abbreviation XL (for XXXX) appeared quite late in the Roman period, and never found universal favour
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)
and for binary would be
Asian Stocks Start Cautious, Dollar Holds Drop: Markets Wrap - Bloomberg
What is the sum of X+XX+XXX+XXXX?
However, X +X^2 +X^3 + X^4 is a valid algebraic answer,
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
Can the effects of hormone replacement therapy (HRT) be reversed?
1234X
It’s a matter of interpretation.
11010X