### Home > CCA2 > Chapter 8 > Lesson 8.2.1 > Problem 8-71

8-71.

Explain why *i*^{3} = −*i*. What does *i*^{4} equal? Homework Help ✎

What does *i*^{2} equal?

How can you rewrite *i*^{4} as a product of *i*^{2} and/or *i* factors?

8-71.

Explain why *i*^{3} = −*i*. What does *i*^{4} equal? Homework Help ✎

What does *i*^{2} equal?

How can you rewrite *i*^{4} as a product of *i*^{2} and/or *i* factors?