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May 25th









May 25th

Negative Exponents



In this section we will consider the meaning of
expressions like 20 and 2-1 that have zero and negative
integers as exp onents .
Definition of a-n

if a is nonzero real number and n is a positive integers ,

Negative Exponents Definition of a^-n
Example 1:

Why is

Thus,

Example 1 a^0
Rule for exponents :



 
Rule for exponents:


Rules for Exponents 1, 2, & 3 Rules for Exponents 4 & 5
Example 2:
 
Example 2:  
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