What is the sum of X+XX+XXX+XXXX?
Last Updated: 27.06.2025 09:33

1234X
It’s a matter of interpretation.
However, X +X^2 +X^3 + X^4 is a valid algebraic answer,
CNN Gets A Big Viewership Bump With Live Telecast Of ‘Good Night, And Good Luck’ - Deadline
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 is the sum of X+XX+XXX+XXXX?
11010X
Is the global economy heading for another major recession in 2025? 📉💸?
*Note that the abbreviation XL (for XXXX) appeared quite late in the Roman period, and never found universal favour
and for binary would be
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
What is a good alternative to the Nike Zoom Pegasus Turbo for running on asphalt and concrete?