Question

Which number is irrational?
one-half
square root of 16
0.737373...
0.87546201023....

Answer 1

do you know what irrational means?

Answer 2

Irrational number-- A number that cannot be written as a simple fraction - the decimal goes on forever without repeating.

Example: Pi is an irrational number

Try to figure it out now. It's a really simple question if you know what you're trying to do.