TRUE OR FALSE. Write true if the idea is correct and false if otherwise.
1. File extension for Microsoft Excel is docx.
2. Columns appear vertically and are identified by letters.
3. All formulae and function begin with = sign
4. Shortcut key for saving workbook is ctrl + c.
5. Rows appear horizontally and are identified by numbers.
6. Sum function calculates the sum of the values of range of cells
7. This symbol / represent subtraction.
8. Fx is a button for function.
9. Symbol $ representing currency in a formula.
10. Conditional formatting highlights interesting cells and emphasizes unusual values.