1. Aim: How do we work on the expression with fractional exponent?
Do Now: Simplify: 1. 2 8 2. 3.
HW: p.297 # 20,26,32,44,48,50,54,64,66,68

2. If we write as then becomes
In the same fashion, or

3. Law of Fractional Exponent:

4. Evaluating in Either Order

5. Evaluating a-m/n

6. Simplifying 1. 2. or

7. Evaluate the following:

8. rewrite the expression with positive exponentor or

9. Examples: Simplify each expressionor

10. Examples: Simplify the expression

11. You now try the following examples
for credits

12. Evaluate the following:1. 2. 3.

13. Write the following as a power with positive exponent1. 2. 3.

14. Write the following as a radical expression1. 2. 3.