It is a rational number
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.
No.
Yes.
irrational
Because it can be expressed as a ratio of integers. 105/10
irrational
It is a rational number
It is a rational number. It can be written as a fraction.
yes
1.96 is a rational number
It is a rational number.
Is 12.05 a rational number or irrational number?
It is a rational number.