What is the sum of X+XX+XXX+XXXX?
Last Updated: 27.06.2025 09:18
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
What is the sum of X+XX+XXX+XXXX?
New Study Finds No Evidence of Tension in Hubble Constant - Sci.News
It’s a matter of interpretation.
11010X
and for binary would be
Have you ever lost any respect for someone instantly?
1234X
*Note that the abbreviation XL (for XXXX) appeared quite late in the Roman period, and never found universal favour
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)