The expression is .

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

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1.     Evaluate the expressions inside Brackets/Parenthesis (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 pf operations is turned into phrase

“Please Excuse My Dear Aunty Sally”

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First evaluate the value inside the parentheses.

             (Evaluate the power: )

                 (Multiplicative identity property: )

                      (Additive identity property: )

                                  (Multiplicative property of zero: )

                                          (Divide: ) \ \

The simplified expression is 3.