Yes
Yes, it is.
Is 4.56 a rational number
Irrational
Rational
no
Yes
Yes
Yes
yes
All multiples of 456, which is an infinite number, including 456, 912, 1368, 1824, 2280, 2736 . . .
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
2456 is an even, composite and a rational number
4.56 = 456/100 = 114/25 or 414/25
It is a rational number. It can be written as a fraction.
The number 456 can be represented by the Roman numeral CDLVI
yes
The number 456 is spelled "four hundred fifty-six."
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 - since the sum of the digits of the number 456 is equal to a multiple of 3, 456 is divisible by 3 - in this instance, 456/3 = 152.
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.