Work Step by Step
We can use a calculator to estimate the given square root. The calculator shows that $\sqrt 5=2.23607$, which rounds to $2.236$. This makes sense, given that $\sqrt 4=2$.
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.