Thursday, March 4, 2010

Scientific Notation and Significant Digits - 5:01

video

Multiplying & Dividing Scientific Notation - 6:09

video

Scientific Notation Proper Format - 3:06

video

Converting to Scientific Notation - 7:31

video

Monday, March 1, 2010

Powers with Zero Exponent Sample Problem - 1:22

video

The following video looks at simplifying powers that include a zero exponent.

Powers With Negative Exponents Part 2 of 2 - 6:08

video

In this video we look at a difficult problem pertaining to Powers with Negative Exponents. This is the second part of a 2 part example.

Powers With Negative Exponents Part 1 of 2 - 5:08

video

In this video we look at a difficult problem pertaining to Powers with Negative Exponents. This is the first part of a 2 part example.

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