What is the sum of X+XX+XXX+XXXX?
Last Updated: 28.06.2025 23:48

1234X
and for binary would be
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)
Cleveland-Cliffs, Tesla, GM, Blueprint Medicines, BioNTech, DraftKings, and More Movers - Barron's
It’s a matter of interpretation.
However, X +X^2 +X^3 + X^4 is a valid algebraic answer,
11010X
Robin Thicke marries April Love Geary in romantic wedding after nearly 7-year engagement - Page Six
*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 is the sum of X+XX+XXX+XXXX?
Using ChatGPT to write essays may be eroding critical thinking skills - Phys.org