Logo

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

Last Updated: 21.06.2025 04:13

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

and for binary 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)

Measles 'exposure event' confirmed in Great Falls - KRTV

1234X

11010X

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

Kharkiv hit by ‘most powerful attack’ of entire war, mayor says, as Russia pounds Ukraine again - CNN

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

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

It’s a matter of interpretation.

Does being poor build better character than being born rich?