Exponent+Rules+and+Simplification+Plus+Scientific+Notation

Helpful website for exponents: http://www.purplemath.com/modules/exponent.htm

ex: (10)(10)(10) is 10³

Helpful website for scientific notation: http://www.purplemath.com/modules/exponent3.htm

ex: a shorthand way of writing very large or very small numbers. A number expressed in scientific notation is expressed as a decimal number between 1 and 10 multiplied by a power of 10. (eg, 7000 = 7 x 10^3 or .0000019 = 1.9 x 10^-6)