1. Scientific notation makes it easier for people to handle very large or very small numbers
2. Why is it useful to espress a number in scientific notation?
3. Sort and then order positive and negative numbers that are represented in scientific notation.
4. Scientific notation, lesson and practice
http://regentsprep.org/Regents/math/ALGEBRA/AO2/indexAO2.htm
5. keep on practicing scientific notation
http://www.transum.org/software/SW/Starter_of_the_day/Students/Standard_Form.asp?Level=1