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1 vote
Which of the following numbers is irrational?

Select all that apply.

1.5
8/9
pi
2.3

User Jarek
by
8.0k points

2 Answers

3 votes
all except pi are rational.

2.333... = 21/9
1.5 = 3/2
User Emil Adz
by
8.2k points
1 vote

Answer: Third Option is correct.

Explanation:

Since we have given that

1) 1.5- it is a rational number as it can be written in
(p)/(q) form.

i.e.
1.5=(15)/(10)=(3)/(2)

2)
(8)/(9)- It is a rational number as it is written in
(p)/(q) form.

3) 2.3 - It is a rational number as it can be written in
(p)/(q) form.

i.e.
2.3=(23)/(10)

4) pi - It is irrational number as it can't be written in
(p)/(q) form.

Hence, Third Option is correct.

User Benoti
by
8.6k points

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