Answer
-4
Work Step by Step
Evaluating the expression using the rules of radicals and exponents, we find:
$$-256^{\frac{1}{4}} \\ -4$$
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.