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

Last Updated: 02.07.2025 08:48

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

and for binary would be

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

How can one justify in Sweden that total subsidies for public green energy initiatives being approximately 8.2 billion SEK per year? Electric cars at market price typically cost an average of 500,000 SEK which is above household budgets.

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)

1234X

11010X

I am a copy and paste developer, how do I become a real software developer?

It’s a matter of interpretation.

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?

The tiny Logitech Keys-To-Go 2 keyboard lets me get work done almost anywhere - CNN