Logo

What is the sum of X+XX+XXX+XXXX?

Last Updated: 29.06.2025 11:39

What is the sum of X+XX+XXX+XXXX?

What is the sum of X+XX+XXX+XXXX?

*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.

MSU Taps J Batt As Next Director of Athletics - Michigan State University Athletics

However, X +X^2 +X^3 + X^4 is a valid algebraic answer,

11010X

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)

If you are a programmer using an AI LLM to help you code, are you finding it speeding you up or slowing you down? What impact has it had on your programming?

1234X

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

Sean Combs’ ex describes relationship marked by ‘manipulation’: ‘I couldn’t say no’ - NPR