Algebra1 Glencoe CCSS Edition page 22 problem 67

Question

Evaluate the expression.

(3 * 9^2 - 3^2 * 9)/3 * 9

Answer 1

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".

Step:1

The expression is .

Simplify the expression using order of operations (PEMDAS)

First operation is evaluate the expressions within the Parenthesis.

                (Evaluate the powers: )

Next operation is multiplication.

                     (Multiply: and )

Next operation is multiplication.

                     (Multiply: )

Step:2

Next operation is subtraction.

                            (Subtract: )

Next operation is division.

                                  (Divide: )

Solution:

The value of the expression is 6.