√19 belongs to a set of irrational number
<h3>Irrational numbers</h3>
Numbers are irrational if they cannot be written as ratios or fractions of two numbers.
Examples of irrational numbers are √2, √3, √5, √11, √21, π, etc.
Since 19 is a prime number that can only be factored by 1 and itself, it is pairless and not in a power of 2.
Therefore, √19 belongs to the set of irrational numbers.
Learn more on irrational numbers here: brainly.com/question/20400557
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