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Properties of Negative Exponents

Properties — To Rewrite a Quotient Using Positive Exponents

A factor that contains a negative exponent may be rewritten on the other side of the division bar by changing the sign of the exponent.

Property Example 1 Example 2
Here, x 0 and y 0.

A fraction raised to a negative exponent may be rewritten as the reciprocal of the fraction raised to the corresponding positive exponent.

Property Example 1 Example 2

Here, x 0 and y 0.

 

Example 1

Simplify and write using only positive exponents:

Solution

Use this property:

 

Example 2

Simplify and write using only positive exponents:

Solution

Use this property:
Use the Power of a Quotient Property.  
Simplify.  

 

 

2007-03-02 05:06:57