What is the sum of X+XX+XXX+XXXX?
14.06.2025 06:21
However, X +X^2 +X^3 + X^4 is a valid algebraic answer,
It’s a matter of interpretation.
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)
What do you do when you are struggling to fall asleep?
and for binary would be
*Note that the abbreviation XL (for XXXX) appeared quite late in the Roman period, and never found universal favour
What is the sum of X+XX+XXX+XXXX?
What happens to adults with Down syndrome when their parents can't look after them any more?
1234X
11010X
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