Logo

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

Last Updated: 29.06.2025 01:58

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

1234X

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

New Alzheimer’s blood tests make diagnosis easier — but they’re not right for everyone - San Francisco Chronicle

11010X

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

It’s a matter of interpretation.

One of Pop’s Hottest Stars Posted a Risqué Album Cover. All Hell Broke Loose. - Slate Magazine

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

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

Why was Meghan Markle's Emmy nomination revoked, and how will it impact her Hollywood career?