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Since 1.42 could be written as a fraction (142/100), then of course it is a rational number.
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Is the product of a rational number and a rational number a rational number?
yes
Is a rational number multiplied a rational number rational?
Yes.
Which number can be multiplied to a rational number to explain that the product of two rational numbers is rational?
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.
Is the number 17.5 a rational number?
yes
Is 5 over 9 rational?
Yes. Any rational number divided by another rational number is also rational.
Is 3.456 a rational or irrational number?
It is a rational number. It can be written as a fraction.
Is the product of a rational number and a rational number a rational number?
yes
Is 17.02 a rational number?
Is 12.05 a rational number or irrational number?
Is 1.96 a rational number or an irrational number?
1.96 is a rational number
Is 0.74 a rational or irrational number?
It is a rational number, as it can be written as a fraction.
Is a Rational number plus rational number equals rational number?
Yes, the sum is always rational.
What is a rational number number which is not a rational number?
There is no such thing as a number that is both rational and irrational. By definition, every number is either rational or irrational.
Is a rational number always a rational number?
As much as, in these days of uncertainty, anything can be anything. As long as the constraints of a rational number are kept to, a rational number will always remain a rational number.
Is a rational number plus a rational number always a rational number?
Yes, it is.
What number goes into 142?
1, 2, 71, 142.
Is 142 a prime or composite number?
142 is composite.
Is 0.05 a rational or irrational number?
It is a rational number.
