Chapter 8 Exponents and Exponential Functions
1. Negative Exponents
http://www.khanacademy.org/math/algebra/exponents-radicals/v/negative-exponent-intuition
2. Exponent Properties Involving Quotients
http://www.khanacademy.org/math/algebra/exponents-radicals/v/exponent-properties-involving-quotients
3. Simplifying Expressions
http://www.khanacademy.org/math/algebra/exponents-radicals/v/simplifying-expressions-with-exponents
http://www.khanacademy.org/math/algebra/exponents-radicals/v/exponent-properties-4
http://www.khanacademy.org/math/algebra/exponents-radicals/v/exponent-properties-5
http://www.khanacademy.org/math/algebra/exponents-radicals/v/exponent-properties-6
http://www.khanacademy.org/math/algebra/exponents-radicals/v/exponent-properties-7
4. Scientific notations
http://www.khanacademy.org/math/algebra/exponents-radicals/v/scientific-notation-1
http://www.khanacademy.org/math/algebra/exponents-radicals/v/scientific-notation-2
http://www.khanacademy.org/math/algebra/exponents-radicals/v/scientific-notation-3
http://www.khanacademy.org/math/algebra/exponents-radicals/v/multiplying-in-scientific-notation