3 � 10�
300
5.72 � 10?
5,720,000,000
3 � 10�
30
5.72 � 10�
572
3 � 10?
300000
2.4327 � 10?
24,327
2.4327 � 10?
24,327,000
5.3 � 10?�
0.053
5.3 � 10??
0.0000053
7.8 � 10?�
0.0078
7.8 � 10?�
0.78
5.72 � 10?�
0.572
5.72 � 10??
0.000572
Scientific Notation
An easier way to write a very large or very small number.
Standard Form
A number written out in expanded form.
Exponent
The power to which a given number or expression is to be raised.
Base
The number that is going to be raised to a power.
Scientific Notation with a negative exponent means...
The number will be smaller than one.
Scientific Notation with a positive exponent means...
The number will be greater than one.
4 � 10??
0.0004
5.72 � 10?
57,200