Work Step by Step
$\pi\approx 3.1416$. It is a real number. $\not \in$ means that a number is not an element of the given set. However, $\pi$ is an element of the given set, real numbers. Thus, the given statement is false.
You can help us out by revising, improving and updating this answer.Update this answer
After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.