What is the sum of X+XX+XXX+XXXX?
16.06.2025 05:17

However, X +X^2 +X^3 + X^4 is a valid algebraic answer,
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.
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
11010X
1234X
Japanese culture: Is it true adult adoption is common in Japan?
*Note that the abbreviation XL (for XXXX) appeared quite late in the Roman period, and never found universal favour
What is the sum of X+XX+XXX+XXXX?
and for binary would be
Is it possible for the U.S. government to get rid of the constitution for national safety?