Tuesday, February 3, 2009

Exponents Ep. 4 - Power of a Power - 3:56

video

KEY CONCEPTS:

- Whenever you have an exponent followed by another exponent, keep the base and multiply the two exponents

Exponents Ep. 3: Zero Exponent - 3:20

video

KEY CONCEPT:

ANY power with an exponent of zero, regardless if the BASE of the power is a number or a variable is equal to 1

a^0=1
999^0=1

Exponents Ep. 2 - Dividing Powers - 3:08

video

KEY CONCEPTS:

- when dividing Powers with the same base, subtract the exponents.
- bases must be the same in order for you to be able to simplify such expressions

Exponents Ep. 1: Multiplying Powers - 6:11

video

KEY CONCEPTS:

- multiplying powers with the same base, add the exponents.
- if bases are NOT the same your CAN'T simplify the expression