What is the sum of X+XX+XXX+XXXX?
Last Updated: 23.06.2025 07:41

However, X +X^2 +X^3 + X^4 is a valid algebraic answer,
What is the sum of X+XX+XXX+XXXX?
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
Why do almost all vertebrates have tails, but not apes and frogs?
*Note that the abbreviation XL (for XXXX) appeared quite late in the Roman period, and never found universal favour
11010X
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)
It’s a matter of interpretation.
and for binary would be
2025 NCAA baseball bracket: Men's College World Series scores, schedule - NCAA.com