Answer
$0.3$%
Work Step by Step
To find the percent notation for $0.003$, move the decimal point $2$ places to the right and add the percent sign. This results to $0.3$%.
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.