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

09.06.2025 13:30

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

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

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)

It’s a matter of interpretation.

It is common sense that Joe Biden is ruining America and is unfit to be president, but why are the liberals still supporting him when Trump is obviously a much better fit for office?

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

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

O'Malley's dad 'super relaxed' cornering title bout - ESPN

1234X

11010X

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

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