What is the sum of X+XX+XXX+XXXX?
Last Updated: 02.07.2025 04:05
What is the sum of X+XX+XXX+XXXX?
1234X
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
11010X
and for binary would be
However, X +X^2 +X^3 + X^4 is a valid algebraic answer,
Phase-resolved attoclock precisely measures electron tunneling time - Phys.org
*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.
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)
World Aquatics Takes Tough Stance on Enhanced Games - Newser