Select all actions you should take to check for mistakes in your formulas. 1. Check that you entered the correct data.
2. Look to see that you used the correct cell names.
3. Recalculate everything using a calculator.
4. Run a formula checker.
5. Make sure you have followed the correct order of operations.
6. Check that you used the correct operations.
7. Estimate the answer and compare to the actual answer.

The correct options is;

Run a formula checker

Explanation:

In order to check if there are mistakes in a formula, the Error Checking dialogue box which is a tool that enables a user to rapidly detect and correct errors in formulas, can be made use of to both simplify, expedite, and streamline the process

The Error Checking dialogue box has the following commands controls;

Help on This Error; The control button brings up the help window in Microsoft Excel

Show Calculation Steps; The control starts the Evaluate Formula dialog box from which the effect of the data input values, operators and result of each step can be seen

Ignore Error; The button allows an error to be ignored

Edit in Formula Bar; Allows for the input into the formula in the Formula Bar which is much easier than editing the formula in the cell

Options; The command allows the user to view the Microsoft Excel dialog box menu

do not use any of these common illegal characters/symbols:

# pound

% percent

& ampersand

{ left curly bracket

} right curly bracket

\ back slash

< left angle bracket

> right angle bracket

* asterisk

? question mark

/ forward slash

  blank spaces

$ dollar sign

! exclamation point

' single quotes

" double quotes

: colon

@ at sign