When does the error, as shown in the picture, occur?

Which causes the last row in the table to appear and displays the word Total in the leftmost cell?

What does the red icon indicate, as shown in the given picture?

Which is not true regarding the use of a pie chart?

If a SmartArt graphic was converted to individual shapes, it is not possible to convert them back to the SmartArt graphic.

Sometimes, data that you're charting may be missing one or more data points. Excel offers three ways to handle the missing data. All of the following are ways to handle missing data EXCEPT:

Double clicking the currently-selected tab on The Ribbon will do what?

The visual basic editor can be used even when Excel is not running

You want a drop down list with a blank space between 'apple' and 'banana'. How do you do this?

I'm trying to work out percentage increases but when one of the cells has 0 in it its giving me DIV/0 error, How do i stop this?