Answer :

Please- Parenthesis 
Excuse -Exponets
My - Multiplication
dear- Division
aunt- Addition
sally- Subtraction
PEMDAS is used for orders of operations
it shows an order how to solve this for example
(5-2)x4
so you would do the p first
P- parentheses 
E- exponents 
MD- Mulitplication and division
AS- Addition and subtraction
you would do it all in the pemdas order