Oh, dude, 27 is a rational number. Like, rational numbers are any number that can be expressed as a fraction, and 27 can totally be written as 27/1. So yeah, 27 fits right into that rational number club. Cool, right?
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If you can completely write a number, using digits, fractions and decimals,
then the number is rational. You appear to have done that.
Irrational.
The product of a rational and irrational number can be rational if the rational is 0. Otherwise it is always irrational.
If you can completely write a number, using digits, fractions and decimals, then the number is rational. You appear to have accomplished that.
It will be irrational.
No.A rational times an irrational is never rational. It is always irrational.