The formula that could be entered as a counting function to count the number of cells would be COUNTA.
What formula can be used in cell D15?
If you want to count the number of cells that are not empty in the Billable column, you can go to cell D15 and type in =COUNTA(.
After that, you highlight the entire Billable column from D2 to D14 and then close the formula and press enter. It will return the number of cells that are not empty.
Find out more on the spreadsheet functions at https://brainly.com/question/1395170.
