What database object organizes your data by rows and columns?

Which of the following is not true when adding and managing friends in Windows Live Messenger?

a. Any friends you had previously added will appear at the top of the list, if they are offline. b. Contacts include the people you have added to your Hotmail account for email, instant messaging, sharing calendars, and sharing documents. c. Contacts and friends are accessed using their Windows Live ID. d. Friends are people that must be added before you can share information and chat using Windows Live Messenger.

The ________ function actually changes the number of decimal places in the value.

Fill in the blank(s) with the appropriate word(s).