What is the sum of X+XX+XXX+XXXX?
Last Updated: 19.06.2025 08:43

and for binary would be
1234X
However, X +X^2 +X^3 + X^4 is a valid algebraic answer,
Too often, Black patients get late diagnoses of deadly skin cancer - The Washington Post
*Note that the abbreviation XL (for XXXX) appeared quite late in the Roman period, and never found universal favour
11010X
It’s a matter of interpretation.
Will Canadians still buy American products?
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)
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 the sum of X+XX+XXX+XXXX?
What are some disadvantages of living in rural areas? What are the advantages?