What is the sum of X+XX+XXX+XXXX?
Last Updated: 28.06.2025 06:20

However, X +X^2 +X^3 + X^4 is a valid algebraic answer,
1234X
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
How many girls or guys keep extra pantyhose in their glove box or console of their vehicle?
What is the sum of X+XX+XXX+XXXX?
It’s a matter of interpretation.
*Note that the abbreviation XL (for XXXX) appeared quite late in the Roman period, and never found universal favour
Evan Engram embraces the “Joker” role in the Broncos’ offense - NBC Sports
11010X
and for binary 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)