Question

Which one of the following numbers is an irrational number?

A. 8.234234…
B. 123⁄455
C. 3.131131113…
D. 5.364

Answer 1

C. 3.131131113…

It's a decimal which is not repeating, therefore it's an irrational number.

Answer 2

C. 3.131131113…

Explanation:

Irrational numbers cannot be written as a ratio of two integers and irrational numbers can have decimal that goes on forever without repeating