Yes, 0.12345 is a rational number because it can be expressed as a fraction. Specifically, it can be written as 12345/100000, where both the numerator and denominator are integers. Rational numbers are defined as numbers that can be expressed as the quotient of two integers, and 0.12345 meets this criterion.
it is the menlyn branch
012345
It is .012345
5 is larger than 0 or 1 or 2 or 3 or 4
All of them. That is, 1,000 of them (including zero).
012345 or -543210, if negative numbers are permitted.
012345
it is the menlyn branch
543210
012345
012345
It is .012345
5 is larger than 0 or 1 or 2 or 3 or 4
This is likely an error in your code, post it so we can help
543,210. If you can use them all multiple times, then it is 555,555.
All of them. That is, 1,000 of them (including zero).
Rational