For this case we have:
By definition we have that a rational number is called any number that can be represented as a fraction, that is, the quotient of two integers with a denominator other than zero. Also the finite decimals and the periodic decimals are rational.
So:
27 and 9 are rational numbers.
[tex]\frac {81} {3} = 27\\\frac {27} {3} = 9[/tex]
It is noted that they can be represented with fractions.
In addition, the number 8,824 is a finite decimal, so it is also a rational number.
On the other hand, an irrational number is one that cannot be represented by a fraction, its decimal expression is neither exact nor periodic.
Then, [tex]\pi[/tex] and 1.4382768…. They are irrational.
Answer:
Rational: 8,824; 27; 9
Irrational: [tex]\pi[/tex]; 1.4382768…