This document is from an exponents lesson on zero and negative exponents. It introduces the rule that anything to the zero power is equal to 1. It then covers the negative exponent rule, which states that if there is a negative exponent in the numerator, the base and exponent move to the denominator, and vice versa. Examples are provided to demonstrate simplifying expressions using these rules for zero and negative exponents.

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Exponents Lesson 6
Numbers Raised to the
Zeroth Power and Negative
Exponents
Supplemental Practice
Do Now:
1.) None
QUIZ

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23
23 =
What is 20?
23
23 =

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Rule:
Anything to the Zero
Power is 1
60
(-7)0
( )01
2
y0
Examples

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23
25
=
How do we simplify
negative exponents?
23
25
=

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42
4-5 = 43
46 =
What is 4-3?

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Negative Exponent Rule
x-n = 1
xn
or 1 = xn
x-n
If there is a negative exponent
in the numerator the base and
negative exponent must move to
the denominator.
If there is a negative exponent
in the denominator the base and
negative exponent must move to
numerator.

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Examples
Negative Exponent Rule
x-n = 1
x-n
or 1 = xn
x-n
2-3 =
x-5 =
3y-7=
1 =
b-6

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simplify simplify
p24

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Supplemental Practice
Lesson 6

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Zero Power Rule:
Anything to the Zero
Power is 1
Negative Exponent Rule
x-n = 1
xn
or 1 = xn
x-n
*Closing*