How do you make sure that a MACRO won't automatically run on a spreadsheet you've downloaded?

The Remove Duplicates command:

There is only ONE way to group a pivot table item.

How do you change all positive numbers in a sheet to negatives?

In Sheet1, column A is January's sales numbers. In Sheet2, column A is February's sales numbers. Which equation on Sheet 3 totals both columns, in row 5?

To insert a character that is not part of an alphabetic font sent (such as copyright ©) use the:

Which custom format will make the cells in column A appear like the corresponding cells in column B?

Which formula is NOT equivalent to all of the others?

A cell contains the value 7.877 and you want it to display as 7.9. How can you accomplish this?

When using Goal Seek, you can find a target result by varying _ at most.

Which format will display the value 27,500,000 as 27.5?