Answer
$\overline{z}=2-5i$ and $|z|=\sqrt{29}$.
Work Step by Step
Of a complex number $z=a+bi$, $\overline{z}=a-bi$ and $|z|=\sqrt{a^2+b^2}$
Hence here, $\overline{z}=2-5i$ and $|z|=\sqrt{2^2+5^2}=\sqrt{29}$.
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.