What is the sum of X+XX+XXX+XXXX?
11.06.2025 06:06
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)
However, X +X^2 +X^3 + X^4 is a valid algebraic answer,
11010X
Discovery of 100-million-year-old dinosaur eggs reveals life in Jurassic America - Earth.com
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
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
What should I do to stop being angered easily?
and for binary would be
1234X
What is the sum of X+XX+XXX+XXXX?
State of Play Confirmed for 4th June, 40+ Minutes of PS5 Games - Push Square