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

Last Updated: 17.06.2025 00:24

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

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

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

11010X

Undercover cops in New York are riding the subways with iPods on to entice robbery. Is that a form of entrapment? If not, why not?

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

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)

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

Why did my ex-narcissist move so fast with his new supply marriage engagement moving in, etc.?

It’s a matter of interpretation.

and for binary would be

1234X

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