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

Last Updated: 18.06.2025 01:11

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

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

It’s a matter of interpretation.

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

Why cant I breathe when I sleep on my back, I can breathe if im on my side or stomach but I feel uncomfortable since either my neck is twisted or my back is in pain, im physically healthy and my surroundings are clean so whats the problem?

*Note that the abbreviation XL (for XXXX) appeared quite late in the Roman period, and never found universal favour

11010X

and for binary would be

There is any scientific evidence that we live in a sphere. Why do others say that we lives in a flat Earth but there is no evidence that they have proven the existence of a flat earth?

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

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

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