A18­1ZeroAndNegExps.notebook
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Algebra 1
Ch.8 Notes Page 42
P42 8­1 Zero and Negative Exponents
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A18­1ZeroAndNegExps.notebook
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Exponents
Exponent
4
3 = 3 x 3 x 3 x 3 Base
The Exponent tells how many times the base is multiplied by ITSELF.
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A18­1ZeroAndNegExps.notebook
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Patterns with Exponents
10
2
3
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Zero as an Exponent
100
20
30
Any Number to the Zero (0) is equal to 1
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Negative Exponents
5
­2
Negative Exponents can be made Positive by switching the position they are in (Top or Bottom) within a Fraction.
­2
5
1
3­3
2­4
3­3
x­5
y­4
z 3x 3
y­3
*Get Rid of Negative Exponents when possible.
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A18­1ZeroAndNegExps.notebook
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Evaluating Exponential Expressions
1. Make all Negative Exponents Positive
(Move from Top to Bottom or Bottom to Top)
2. Substitute Values in for the Variables
3. Solve with Order of Operations (PEMDAS)
Simplify 3m2n­3 when m = 2 and n = 3
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Extra Issues with Exponents
(­3)2 is not the same as ­32
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A18­1ZeroAndNegExps.notebook
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HW #48
8­1 P433 #2­44Evens, 46­50All
Please put your name and class period at the top of the homework.
Also include the homework number.
Oct 27­2:51 PM
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