Question

Which of the following is an irrational number?

Answer 1

Hi!

An irrational number is a number that cannot be written as a ratio or a fraction.

Let's go through each answer.

• A. √0.036

= 0.18973666...

This is irrational, because it repeats forever.

• B. 7.2525

This is rational, because 2525 repeats in a pattern.

• C. √1

= 1

This is rational. (1/1)

• D. 10

This is rational (10/1)

The answer is A. √0.036.

Hope this helps! :)

-Peredhel