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"

The expression is .

          (Substitute )

Simplify the expression using order of operations (PEMDAS).

First operation is evaluating powers.

            (Evaluate power:  )

Next operation is multiplication.

                  (Multiply: )

                       (Product of two same signs is positive)

Next operation is addition.

                              (Add: )

The value of expression is 7.44.