10.

Andi wants to add the first 8 cells in column A of an Excel spreadsheet. Which of the following formulas should Andi use?

=SUM(A1:A8)

=SUM(A1,A8)

=SUM(A1+A8)

=SUM(A,1-8)

Andi should use the formula =SUM(A1:A8) to add the first 8 cells in column A of an Excel spreadsheet.