What are the five exponent laws and what do they do?
http://www.mesacc.edu/~scotz47781/mat120/notes/exponents/review/review.html
This website lists them plus examples :
http://barronstestprep.com/gre/math-facts/What-are-the-5-exponent-rules-that-everyone-must-remember.php
Hope that helps :)
Thanks!