yes
Yes.
yes
It must be a generalised rational number. Otherwise, if you select a rational number to multiply, then you will only prove it for that number.
Yes. Any rational number divided by another rational number is also rational.
000001
The millionths. .000001= one millionth.
The place value of .000001 is one millionth
one millionth
It is a rational number. It can be written as a fraction.
yes
100,000 or .000001 or 10-1,000 or 2-99,999
Is 12.05 a rational number or irrational number?
1.96 is a rational number
It is a rational number, as it can be written as a fraction.
Yes, the sum is always rational.
There is no such thing as a number that is both rational and irrational. By definition, every number is either rational or irrational.