The expression is \ \

Order of Operations:

To simplify the expression follow the order of operations: (PEMDAS)

1.      Evaluate the expressions inside the Parenthesis/Brackets (P).

2.      Evaluate Powers/Exponents (E).

3.      Multiply and/or Divide in order from left to right (MD).

4.      Add and/or Subtract in order from left to right (AS). 

A simple technique for remembering the order of operations is turned

into phrase "Please Excuse My Dear Aunty Sally"

                     (Substitute )

First operation is evaluating power.

                    (Evaluate power: )

Next operation is multiplication.

                              (Multiply: )

Next operation is subtraction.

                                      (Subtract: )

Next operation is division.

                                           (Divide: )

The value of the expression is 55.