What is the sum of X+XX+XXX+XXXX?
Last Updated: 19.06.2025 00:04

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
It’s a matter of interpretation.
*Note that the abbreviation XL (for XXXX) appeared quite late in the Roman period, and never found universal favour
My son is possessed, now he has psychosis. Can someone help me?
What is the sum of X+XX+XXX+XXXX?
However, X +X^2 +X^3 + X^4 is a valid algebraic answer,
1234X
Would Donald Trump's reelection make the world more dangerous?
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)
11010X
and for binary would be