1. 7-1 Zero and Negative Exponents

2. Use your calculator to complete the following table keeping answers as positive powers of 2.
FRACTION
In General: is the of .
RECIPROCAL

3. Negative Exponent Property:
For any nonzero numbers b and all n,
Zero Exponent Property:
For any nonzero number a,

4. Examples:
1.) Write each as a simple fraction without negative exponents.

5. Examples:
2.) Write each fraction as a power of an integer.

6. Examples:
3.) Simplify each of the following.

7. Simplifying Exponential Expressions:
An algebraic expression is in simplest form when powers with a variable base are written with only exponents.
POSITIVE
Rewrite the following using only positive exponents:

8. Evaluating an Exponential Expression:
Simplify the exponential expression substituting the values for the variables.
BEFORE
Evaluate each expression for a = 2 and b = -4

9. Homework: Sect. 7.1 p. 446-447 #’s 10-44 even