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.
4123
1 mile = 1.609 km 4123 miles = 4123 x 1.609 km = 6633.907 km
It is a rational number. It can be written as a fraction.
4123: factors = 1, 19, 31, 217, 133, 4123 prime factors = 7, 19, 31
yes
207.1608
The phone number of the Deerfield Library Station is: 540-939-4123.
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.
4123 = 7 x 19 x 31