Enter the base and exponent, and the project will evaluate "(base) raised to the power of (exponent)". You can input fractions for either part, e.g. writing 1/3 for the exponent, to get the cube root of the base.
For the workaround guide. Conversation starts here: https://scratch.mit.edu/discuss/post/8498885/ Just sharing this to get review and make sure we've got it right!!