Question

Simplify

A.  16 ÷ (4 •2) +9 -3    B. (-48 - 8 ) ÷ 5 +3

Answer 1

A) 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 .

Simplify the expression using order of operations (PEMDAS).

First evaluate the expression inside the bracket.

Next operation is division.

Next operation is addition.

Next operation is subtraction.

 The value of the expression is 8.

B) The expression is .

Simplify the expression using order of operations (PEMDAS).

First evaluate the expression inside the bracket.

Next operation is division.

Next operation is addition.

 The value of the expression is -8.2.