Answer
Length $=1$ unit
Work Step by Step
Length$=\sqrt {1^{2} +0^{2}}$
$=\sqrt 1$
$=1$ since a length must be greater than zero
Therefore the length of the vector is $1$ unit
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.