What is the sum of X+XX+XXX+XXXX?
Last Updated: 20.06.2025 02:34

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)
Atheists who have read the Bible and think that contains immoral things, why do you assume that?
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
and for binary would be
How long would you let a homeless friend stay at your house?
*Note that the abbreviation XL (for XXXX) appeared quite late in the Roman period, and never found universal favour
11010X
What is the sum of X+XX+XXX+XXXX?