Nichole tried to evaluate (-z)3 where (-z) = -3.

(-z)3

​

A=(−(−3))​3

​​ B) =(3)​3

C=27

Find Nichole's mistake



P.S this is coming from khan academy, the lesson is Equations with square roots & cube roots and it is my last question to get right. if I get it right I will pass this test. PLZ GIVE ME THE RIGHT ANSWER