Logo

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

13.06.2025 07:52

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

Nintendo: Please don’t remove film layer from Nintendo Switch 2 screen - My Nintendo News

11010X

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)

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

Diablo II: Resurrected Ladder Season 11 Coming Soon - Blizzard News

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.

Were the 1980s as uptight and prudish as movies and TV shows make them out to be? When I think of 80s culture, I think about a very "icky" judgmental yuppie status quo time period.