Logo

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

09.06.2025 10:46

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

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

1234X

11010X

Geologists Just Cracked Open a 500-Million-Year Mystery in the Grand Canyon — What They Found Is Rewriting Earth’s History - Indian Defence Review

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

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

It’s a matter of interpretation.

ASCO day 2: A tragic paradox, Gilead updates, and lots of Pfizer news - statnews.com

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

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)

and for binary would be

New features added to Nintendo Today! - News - Nintendo Official Site - Nintendo