1. Appendix:A.2 Exponents and radicals

2. Integer Exponents exponent base

6. Scientific Notation Scientific notation has the form The positive exponent indicates that the number is large The negative exponent indicates that the number is small Example :: and n is an integer

7. Radicals and Their Properties

9. Perfect squares : 1, 4, 9, 16, 25 because they have integer square roots. Perfect cubes : 1, 8, 27, 64, 125 because they have integer cube roots.

11. Simplifying Radicals

13. Rationalizing Denominators and Numerators To rationalize a denominator or numerator of the form Multiply both numerator and denominator by a conjugate Example : Rationalize the denominator of each expression

14. Rational Exponents

15. Rational Exponent

16. Home work A.2 exercises  36, 38, 50, 74, 82, 84, 88, 100, 104