What is the sum of X+XX+XXX+XXXX?
Last Updated: 21.06.2025 00:00
1234X
and for binary would be
11010X
Can a cop pull you over walking home asking why you are out so late?
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)
What is the sum of X+XX+XXX+XXXX?
How do I convince flat earthers that the earth is round?
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
*Note that the abbreviation XL (for XXXX) appeared quite late in the Roman period, and never found universal favour
It’s a matter of interpretation.