Work Step by Step
RECALL: The zero-exponent rule states that for any non-zero number $a$, $a^0=1$ Note that $-\pi^0$ means "the negative of $\pi^0$." Use the zero-exponent rule to obtain: $=-(\pi^0)-(-\pi)^0 \\=-1 - 1 \\=-2$
You can help us out by revising, improving and updating this answer.Update this answer
After 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.