Answer
-81
Work Step by Step
The negative should not have been considered until after the number was raised to the exponent. Done correctly, the value is:
$$-(3^4)=-81$$
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.