A18­1ZeroAndNegExps.notebook
January 14, 2016
Algebra 1
Ch.8 Notes Page 46
P46 8­1 Zero and Negative Exponents
Sep 2­8:31 AM
Exponents
Exponent
4
= 3 x 3 x 3 x 3 Base
3
The Exponent tells how many times the base is multiplied by ITSELF.
Jan 21­8:01 AM
1
A18­1ZeroAndNegExps.notebook
January 14, 2016
Patterns with Exponents
10
2
3
Jan 22­7:27 AM
Zero as an Exponent
100
20
30
Any Number to the Zero (0) is equal to 1
Jan 22­7:28 AM
2
A18­1ZeroAndNegExps.notebook
January 14, 2016
Negative Exponents
5
­2
Negative Exponents can be made Positive by switching the position they are in (Top or Bottom) within a Fraction.
5­2
1
3­3
2­4
3­3
x­5
y­4
z3x3
y­3
*Get Rid of Negative Exponents when possible.
Jan 22­7:29 AM
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
Jan 22­7:29 AM
3
A18­1ZeroAndNegExps.notebook
January 14, 2016
Extra Issues with Exponents
(­3)2 is not the same as ­32
Jan 22­7:59 AM
4