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

12.06.2025 08:11

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

1234X

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

and for binary would be

Inflation Expectations Decline; Labor Market Expectations Improve - Federal Reserve Bank of New York

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

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)

Why am I losing interest to get a job and to all my desires because of this spiritual awakening? How do I get through life because of it?

It’s a matter of interpretation.

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

11010X

The Tyrese Haliburton Conundrum - The Ringer