1. Section 2.2
Scientific Notation

2. Objectives Express numbers in scientific notation
Use dimensional analysis to convert between units

3. Scientific Notation Two parts: Number between 1 and 10 10 to a power
Ex:
2.32 x 102

4. Interpreting Scientific Notation
If power of ten is +, than the number is larger than 1
Decimal to the right
Example:
4.56 x 103 = 4,560

5. Interpreting Scientific Notation
If power of ten is -, than the number is smaller than 1
Decimal to the left
Example:
5.23 x 10-3 =

6. Example
2,345, places to the left: x 106

7. Example
places to the right: 1.78 x 10-3