How do I type a decimal number times a power of 10

[Mathsub]

How do I type a number to a power?

 

[Echo S]

Use superscript for the power. What application are you using? Word 2007?
PowerPoint 2000? Excel 2003? Something else?

 

[Bob I]

1.2*10^6

 

[Harlan Grove]

1.2*10^6

In Excel this could be shortened to 1.2E6.