Rational Exponents
Defn If m and n are positive integers greater than 1 with
in lowest terms , then
, as long as
is a real number . In particular,
Radical Notation 
Exponential Notation
Ex 1 Rewrite using radical notation. Simplify when possible.
Defn
Ex 2 Simplify using properties of exponents.
Ex 3 Factor 
from 
Ex 4 Use rational exponents to simplify. Assume all variables represent positive real numbers. Write answers in radical notation.
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