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Module 8.1 Lesson 4 and start 5.notebook
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Module 8.1 Lesson 4/5Numbers Raised to the
Zeroth Power and Negative Exponents
HW
Do Now:1) (8a2b4)(2a5b) 2) 26x4y5
2xy4
1.) Page 35
2.) Mid-Module Quiz Thursday 3/31
3.) Module 3 Review due Friday 4/1
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SMART Document Camera
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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
( )012
y0
Examples
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25 =
How do we simplify negative exponents?
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25 =
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42 4-5 = 43
46 =
What is 4-3?
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Negative Exponent Rulex-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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ExamplesNegative Exponent Rulex-n = 1
x-n or 1 = xn
x-n 2-3 =
x-5 =
3y-7=
1 =b-6
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simplify simplify
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Zero Power Rule:
Anything to the Zero Power is 1
Negative Exponent Rulex-n = 1
x-n or 1 = xn
x-n
*Closing*