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PEMDAS: compute 2 + 2 × 2

by Jim
(Marion, MI)











































Use PEMDAS to calculate the value of the expression shown below.

PEMDAS stands for: parentheses, exponents, multiplication, division, addition, subtraction

PEMDAS order tells you what operation to complete first, second, . . . etc.

2 + 2 × 2

Is the answer 8 or 6 ?

Comments for PEMDAS: compute 2 + 2 × 2

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Apr 01, 2013
Calculate
by: Staff


Answer

Part I

Expression to evaluate

Numerical Expression to Evaluate





Step 1: evaluate PARENTHESES

PEMDAS order of evaluation: PARENTHESES, exponents, multiplication, division, addition, subtraction

There are no expressions enclosed in parentheses


Step 2: evaluate EXPONENTS


PEMDAS order of evaluation: parentheses, EXPONENTS, multiplication, division, addition, subtraction

There are no exponents to evaluate.


Step 3: MULTIPLICATION


PEMDAS order of evaluation: parentheses, exponents, MULTIPLICATION, division, addition,

Numerical Expression Evaluation - PEMDAS - Multiplication




Step 4: DIVISION


PEMDAS order of evaluation: parentheses, exponents, multiplication, DIVISION, addition, subtraction

There is no place where division must be completed.


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Apr 01, 2013
Calculate
by: Staff


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Part II

Step 5: evaluate ADDITION & SUBTRACTION

PEMDAS order of evaluation: parentheses, exponents, multiplication, division, ADDITION, SUBTRACTION

Numerical Expression Evaluation - PEMDAS - Addition





The final answer is:

Numerical Expression Evaluation - PEMDAS - Final Answer




This problem also illustrates how important it is to include parentheses to clarify the order of operations.

To ensure every reader understands the expression, it should have been written

Numerical Expression using parentheses for clarity







Thanks for writing.

Staff
www.solving-math-problems.com


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