What is the sum of X+XX+XXX+XXXX?
12.06.2025 11:11

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
It’s a matter of interpretation.
Common Diabetes Drug Linked to 'Exceptional Longevity' in Women - ScienceAlert
and for binary would be
What is the sum of X+XX+XXX+XXXX?
1234X
Willi Castro homers twice, Royce Lewis ends skid as Twins crush Athletics - Sports Illustrated
11010X
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)
*Note that the abbreviation XL (for XXXX) appeared quite late in the Roman period, and never found universal favour
What would explain Trump blaming Ukraine for starting the war with Russia?