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
Yes. Any rational number divided by another rational number is also rational.
2456 is an even, composite and a rational number
4.56 = 456/100 = 114/25 or 414/25
The number 456 can be represented by the Roman numeral CDLVI
It is a rational number. It can be written as a fraction.
The number 456 is spelled "four hundred fifty-six."
yes
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.
Is 12.05 a rational number or irrational number?
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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.