What is the sum of X+XX+XXX+XXXX?
12.06.2025 03:34
and for binary would be
*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.
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1234X
11010X
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
Did another parent ever tell you something about your child that you didn’t know?
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?
However, X +X^2 +X^3 + X^4 is a valid algebraic answer,