What is the sum of X+XX+XXX+XXXX?
Last Updated: 26.06.2025 05:12

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
1234X
However, X +X^2 +X^3 + X^4 is a valid algebraic answer,
Do you think Putin wants peace with Ukraine, or does he want Ukraine?
What is the sum of X+XX+XXX+XXXX?
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)
11010X
Why is the US going after Canada after all? What is the reason for all this hostility?
*Note that the abbreviation XL (for XXXX) appeared quite late in the Roman period, and never found universal favour
It’s a matter of interpretation.
and for binary would be
How can couples reverse the buildup of resentment once they notice it?