Question

Which number is an irrational number? Need answered ASAP. Will Mark 3.
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Answer 1

Its B

Explanation:

The answer for A is a rational number because it can be put into a fraction,C is a rational number as well,D has a value of 5 because 5*5=25 and B can´t be put into a fraction or whole number the square root of 15 is imperfect,so Its an irrational number.

Answer 2

B

Explanation:

√15 isn't an integer, so it is irrational.