What command reveals which cells must contain data for the function in the currently selected cell to work?

If cell A1='Smith,Joe' then =Find(',',A1) returns:

While you are typing data into a cell, which of these commands cannot be performed?

what is the maximum limit of digits in excel?

How do you create a dynamic drop-down menu in Excel that automatically detects if new options (strings) were added to the source list?

What's one method of entering headers and footers?

Which of the functions listed will not work if you are looking for an exact value based on a right lookup column?

Is it possible to make Pivot table using multiple sources of data?

Which of the following formulas is not entered correctly?

Excel contains a conditional formatting preset that highlights top/bottom values. However, using a formula instead provides more flexibility. If you have a series of data with high & low magnitude values and you want to format only N number of high magnitude values in the series of data, which of the following formulas is valid?

To get the real time Web Based Co-authoring, a new component is added on the server that sends notifications to all browsers connected to a workbook. How the changes are visible to each connected browser of a workbook, if any of the cell value is been changed?