What is the sum of X+XX+XXX+XXXX?
15.06.2025 11:09

However, X +X^2 +X^3 + X^4 is a valid algebraic answer,
and for binary would be
*Note that the abbreviation XL (for XXXX) appeared quite late in the Roman period, and never found universal favour
Are evolutionists giving evolution a bad name by claiming humans started off as shrews?
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 is the sum of X+XX+XXX+XXXX?
1234X
Do narcissists love their children?
It’s a matter of interpretation.
11010X
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)