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  for n)

In the given expression there are no grouping symbols.

First operation is evaluating power.

          (Evaluate power:   )

Next operation is multiplication.

=                    (Multiply:   )

Next operation is addition.

 =                            (Add:   )

Next operation is addition.

=                                        (Add:   )

 The value of the expression is .