1) Homeschool.com
3)http://wiki.answers.com/Q/How_do_exponents_apply_to_real_life_situations
4) http://www.ehow.com/about_6382637_exponents-used-everyday-life_.html
5) http://www.historyforkids.org/scienceforkids/math/numbers/exponents.htm
5) http://www.historyforkids.org/scienceforkids/math/numbers/exponents.htm