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.
495,554.285714 repeating
The phone number of the Shurling Branch Library is: 478-744-0875.
It is: 8.75%
The phone number of the Railroad-Ferry Museum is: 415-435-0875.
It is a rational number. It can be written as a fraction.
yes
0.875
87,500cm
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.