Answer
Infinite; 10 is an element of the set.
Work Step by Step
The set is infinite because it includes all natural numbers greater than $11$, so it has no end. $10$ is not part of the set because it is not greater than $11$.
You can help us out by revising, improving and updating this answer.
Update this answerAfter 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.