Logo

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

13.06.2025 02:07

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

It’s a matter of interpretation.

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)

1234X

Why do people have trouble accepting the very true fact that "The Blue Marble" photo of Earth is a composite and therefore (just like every other subsequent "picture" of Earth NASA has ever shown us) not a real photo but computer generated?

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

11010X

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

What does it mean to live "the 'underconsumption' life"?

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

and for binary would be

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

Australia's first-quarter economic growth misses estimates, expanding 1.3% from a year earlier - CNBC