What is the sum of X+XX+XXX+XXXX?
11.06.2025 13:34
and for binary would be
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
A Giant Mouth Has Opened on The Sun And Even It Looks Surprised - ScienceAlert
1234X
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)
Channel Island pharmacists confirm digestion drug shortage - BBC
What is the sum of X+XX+XXX+XXXX?
*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.
Salmonella outbreak in cucumbers expands to 18 states, 45 sickened - NBC News