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Step-by-step Answer
PAGE: 11SET: ExercisesPROBLEM: 19
Please look in your text book for this problem Statement

Order of Operations:


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

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 of operations is turned into phrase

Please Excuse My Dear Aunty Sally  

The expression is .

First operation is evaluating the expression within the parenthesis.

                             (Subtract: )

                                  (Evaluate powers: )

                                        (Subtract: )

Next operation is multiplication.

                                              (Multiply: )

Option A is right choice.



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