You can choose a category in the Number tab in the Format Cells dialog box and then select the number of decimal places, whether or not a dollar sign should be displayed, and how negative numbers should appear.

Explain your answers in terms of one or more factors that affect trust.

Here are several items of information: Zip code Credit card number Phone number a. Which will users be most willing to divulge? b. Which will users be least willing to divulge?

__________ are used to send large volumes of unwanted e-mail.

A. Rootkits B. Spammer programs C. Downloaders D. Auto-rooters