Transcript 7-1

7-1 Zero & Negative Exponents
Algebra 1
Definition of Zero exponents

A nonzero number to the zero power is
a  1, a  0.
o
Definition of Negative Exponents
n
n
a is the reciprocal of a :
a
n
1
 n , a0
a
Example 1

a.
3
4
b.)
(6)
0
Example 1

c.)
4
y
d.)
3
 
5
1
Example 2


Simplify the expression.
3
3
a.)
b.)
4 4
2 3
(5 )
Example 3a

Rewrite with positive exponents.
3
5g  h
4
Example 3b
3b.)
2 3 x 4 y 1
Example 4

a.)
(4 y )
3
b.)
h
2
g