Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to make a spreadsheet in excel [title] Open excel. [title] Notice there are rows and columns. [substeps] Each column has a capital letter on the top to show what column it is.

Ending1: Read the column number to see if the numbers in the column have a capital letter. There will be row numbers in this column. Ending2: Don't double-space files in a row or column. Put in a quotation mark, or add a comma. Ending3: [title] Notice the column's direct equals a1 (fixed) or a2 (variable). [substeps] When going down a column enter 255. Ending4: Each row has a number to the immediate left of the first column, to show what row it is. Each cell is identified by a unique address consisting of the column letter followed by the row number.

Answer format: ending1/ending2/ending3/ending4