What is the sum of X+XX+XXX+XXXX?
12.06.2025 03:28

However, X +X^2 +X^3 + X^4 is a valid algebraic answer,
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
*Note that the abbreviation XL (for XXXX) appeared quite late in the Roman period, and never found universal favour
20-Year Mystery of The Muon's Wiggle May Finally Be Solved - ScienceAlert
1234X
11010X
It’s a matter of interpretation.
Tooth fossil analysis upends current theory of prehistoric human evolution - Earth.com
and for binary would be
What is the sum of X+XX+XXX+XXXX?
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)
7 Best High-Volume Foods for Weight Loss, According to Dietitians - AOL.com