-23 is rational.
It is rational because we can write it as a fraction (one integer divided by another) where the denominator is not equal to 0. For example, -23/1. This makes it rational.
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No. Square root of 23 is irrational.
Irrational.
The product of a rational and irrational number can be rational if the rational is 0. Otherwise it is always irrational.
It will be irrational.
No.A rational times an irrational is never rational. It is always irrational.