Negative Exponents and Scientific Notation

Defn negative exp onent

Recall Laws of Exponents

• Recall Laws of Exponents
• Quotient Rules (3)
• Power Rules (3)

Properties of Negative Exponents

Ex 1 Simplify .

Scientific Notation
A positive number is written in scientific notation if it is in the form , where and n is an integer.

Ex 2Write in scientific notation.

Ex 3Write in decimal notation

Ex 4 Evaluate by using scientific notation and the laws of exponents.