What is the sum of X+XX+XXX+XXXX?
10.06.2025 03:36
*Note that the abbreviation XL (for XXXX) appeared quite late in the Roman period, and never found universal favour
However, X +X^2 +X^3 + X^4 is a valid algebraic answer,
and for binary would be
Pablo Lopez To Miss Multiple Months With Teres Major Strain - MLB Trade Rumors
11010X
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
New discovery at the Grand Canyon has rewritten geology textbooks - Earth.com
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.