**Why is ***a*^{0 }= 1?

*a*

^{0 }= 1?

*2*

^{2}=4).

**So I start with 3!**

^{5}=

**243**

^{}3

^{4 }=

**81**

^{}3

^{3 }=

**27**

^{}3

^{2 }=

**9**

^{}3

^{1 }=

**3**

^{0 }=

**1**

**Notice that when we divide the answers by the base (3) it gives us the following answers.**

**243**/3 = 81

**81**/3 = 27

**27**/3 = 9

**9**/3 = 3

**3**/3 = 1

**If need be you can now use different bases to show the pattern always works.**

**Patterns with Negative Bases**

**You can now continue the pattern by showing them negative bases.**

^{5}=

**-243**

^{4 }=

**81**

^{3 }=

**-27**

^{2 }=

**9**

^{1 }=

**-3**

^{0 }=

**1**

**Notice that when we divide the answers by the base (-3) it gives us the following answers.**

**-243)**/(-3) = 81

**81**/(-3) = -27

**-27**)/(-3) = 9

**9**/(-3) = -3

**-3**)/(-3) = 1

**Patterns with Negative Exponents**

**This patter continues on for negative exponents as well.**

3
^{3} = 273
^{2} = 93
^{1} = 33
^{0} = 13
^{−1}= 1/3 3
^{−2} = 1/93
^{−3} = 1/273
^{−4} = 1/81 |

**So…**

**Finally, Make sure to point out that…**

^{1}

**= 1/3**

^{2}

^{3}

^{4}

^{5}

**Now you’re ready to move on to Exponents that are Fractions!**

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