Algebra 1, 2011
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54

 PAGE: 43 SET: Exercises PROBLEM: 54

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  and n = )

First operation is multiplication.

(Multiply: )

(Multiply: )

Next operation is division.

(Divide: )

Next operation is subtraction.

(Subtract: )

The simplified expression value is 20.

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