What is the sum of X+XX+XXX+XXXX?
Last Updated: 23.06.2025 03:59

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
1234X
How do you deal with neighbors who are always telling you what to do?
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.
What is the sum of X+XX+XXX+XXXX?
What are some things that normal people do that religious people call sins?
11010X
However, X +X^2 +X^3 + X^4 is a valid algebraic answer,
*Note that the abbreviation XL (for XXXX) appeared quite late in the Roman period, and never found universal favour
Devin Harjes, "Boardwalk Empire" and "Manifest" actor, dies at 41 - CBS News