What is the sum of X+XX+XXX+XXXX?
Last Updated: 02.07.2025 02:16

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
11010X
1234X
Supreme Court Hands Trump ‘GIANT WIN’ in Birthright Citizenship Case - Rolling Stone
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
Scientists Confirm Anti-Aging Drug Appears to Prolong Life in Animals - ScienceAlert
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,
and for binary would be
Why are Americans obese? Is it the food or is it the psychology?