What is the sum of X+XX+XXX+XXXX?
11.06.2025 04:44
What is the sum of X+XX+XXX+XXXX?
It’s a matter of interpretation.
1234X
How to watch the 2025 Tony Awards on Sunday - NPR
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
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 back! Massive $400 price drop now live on 2TB Space Black M4 iPad Pro at Amazon - 9to5Toys
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
11010X