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

14.06.2025 01:59

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

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

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

1234X

Why can't NASA just bite the bullet and launch a plainly simple mission, audited by flat earther peers start to finish that definitively proves to even the smallest minds that the earth is an oblong spheroid, and not flat?

11010X

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

It’s a matter of interpretation.

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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

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

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