PRE-ALGEBRA, 2012
39

 PAGE: 39 SET: Exercises PROBLEM: 39

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  .

In the given expression there are no grouping symbols and powers.

First operation is division.

(Divide: )

Next operation is multiplication.

(Multiply: )

= 135                            (Multiply: 128 + 7 = 135)

The value of the expression is 135.

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