If this stuff had your head in a spin previously, don't sweat it anymore! I lay this out for you in a way you CAN get, and you WILL succeed once youv'e seen the WHOLE of this video.
Starts with a review of part 1: positive exponent,
Works through zero and negative exponents, and you are SO going to get this stuff!
There's companion work on the way at letsdomath.ca