What is the sum of X+XX+XXX+XXXX?
11.06.2025 19:40

11010X
However, X +X^2 +X^3 + X^4 is a valid algebraic answer,
It’s a matter of interpretation.
N95 Masks And Air Purifiers: Wildfire Smoke Protection - The Weather Channel
and for binary would be
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?
Is OnlyFans good or bad for the society? Why?
*Note that the abbreviation XL (for XXXX) appeared quite late in the Roman period, and never found universal favour
1234X
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)