A can be used in a repetition structure to control the number of times a set of statements will execute.

By default, Excel 2013 files are saved in the native Microsoft Excel Workbook file format with the following file extension:

A) .xlsx B) .xlsd C) .csv D) .xls

“To subtract one number from another, take the twos complement of the subtrahend and add it to the minuend” is the _________ rule.

Fill in the blank(s) with the appropriate word(s).