Nadia wants to make changes to her Excel spreadsheet. She wants to keep her original file with its current file name, and save the changed document as a new file. What command should she use

Save as.

Explanation:

A spreadsheet can be defined as a file or document which comprises of cells in a tabulated format (rows and columns) typically used for formatting, arranging, analyzing, storing, calculating and sorting data on computer software applications such as Microsoft Excel.

In this scenario, Nadia wants to make changes to her Excel spreadsheet. She wants to keep her original file with its current file name, and save the changed document as a new file.

Hence, the command Nadia should use is "Save as" of the file options in Microsoft Excel.

Basically, the Save as command would save the updated version of the Excel spreadsheet while keeping the previous version of the spreadsheet.

the today function returns a valid value without any arguments.

the today function returns the current date based on the computer's date setting and formatted as a date. today takes no parameters, but requires that you use empty parentheses