$\"\"$

The expression is $\"\"$

$\"\"$ (Replace n with 4)

To simplify the expression following order of operations to performed:

1. Evaluate the expressions inside grouping symbols.

2. Evaluate powers.

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

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

$\"\"$

In the given expression there are no grouping symbols.

First operation is Evaluating power.

$\"\"$ (Evaluate power: $\"\"$ )

Next operation is Multiplication.

$\"\"$ (Multiply: $\"\"$ )

Next operation is Division.

$\"\"$ (Divide: $\"\"$ )

Next operation is Addition.

$\"\"$ (Add: $\"\"$ ) $\"\"$

The value of the expression is $\"\"$ .