This week in math we finished our exponents unit. This included the Negative Exponent Law, Scientific Notation and Rational Exponents.
Scientific Notation is when you shorten a large number using exponents for example
If I have 4,320,000,000,000 I can shorten that to 
Rational Exponents are when you have a number to the power of a fraction. We learned how to convert to an entire radical.