UNIT

6

6.4: Find Zero and Negative powers

Remember that because a negative exponent tells us to "repeatedly divide" it does **NOT** affect the positive or negative sign of the answer.

**Rewrite the expression using only positive exponents. Then, evaluate the expression.**

16

\(3^{-2}\)

17

\(3^{-4}\)

18

\(\text{-}4^{-2}\)

19

\((\text{-}5^{-3})\)

20

\((\frac{1}{2})^{-2}\)

21

\((\frac{2}{3})^{-3}\)