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May 25th
May 25th
Negative Exponents
In this section we will consider the meaning of
expressions like
2
0
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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