You can add a zero before a number in Google Sheets and Excel using this tutorial. You need to change cell formatting or use function.

Learn how to round numbers in Google Sheets using the ROUND, ROUNDUP, ROUNDDOWN, MROUND, INT, FLOO, CEILING functions.

You may need to add cells in Google Sheets if your spreadsheet needs to contain more information than it currently has room for.

How to add a dropdown list in Google Sheets You can create two kinds of dropdown lists in Google Sheets: The first lists specific numbers or words that you’ve entered as preset choices, while ...