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carlosego

Answer: π

Step-by-step explanation:

By definition, irrational numbers are those numbers that cannot be written as a fraction.

Keeping this on mind, you have that:

1/3 is a fraction, then it is not irrational.

2/3 is a fraction, then it is not irrational.

3.624 can be written as 453/125 (it is a fraction, then it is not irrational).

π  cannot be writte as a fraction. It is irrational.

0.87 can be written as 87/100 (it is a fraction, then it is not irrational).

-5 can be written as -5/1 then it is not irrational.

imlittlestar

Answer:

The correct answer is π

Step-by-step explanation:

We can write all numbers except π as p/q form.

We know that the π(Pi) one of the famous irrational number.

The value of π can be 3.1428571428571...

Which is non terminating and non recurring number. Some times we write the approximate value of π as 22/7 or 3.14

All other numbers are rational numbers

1/3 - rational number

2/7 - rational number

3.624 = 3624/1000 - rational number

0.6 - 6/10 - rational number

0.87 = 87/100 - rational number

-5 = -5/1 - rational number

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