Simplifying Numerical Expressions Using PEMDAS

The video tutorial explains how to simplify a numerical expression using the order of operations, commonly known as PEMDAS. The instructor presents a problem and guides viewers through solving it step-by-step, focusing on parentheses, exponents, multiplication, division, addition, and subtraction. The tutorial emphasizes the importance of following the correct order to arrive at the correct solution, which is identified as answer choice A, 18. The lesson concludes with a summary of the process and encourages viewers to continue learning math.

What is the first step in solving the given expression using order of operations?

• Evaluate exponents

• Solve inside the parentheses

• Add all numbers

• Perform multiplication

Which of the following is true about the order of operations?

• Addition always comes before subtraction

• Multiplication always comes before division

• Parentheses are evaluated first

• Exponents are evaluated last

After evaluating the parentheses, what is the next step in the order of operations?

• Evaluate exponents

• Perform addition

• Perform subtraction

• Perform multiplication and division from left to right

What is the result of the multiplication step in the expression?

• 12

• 24

• 18

• 6

What is the final result of the expression after applying all operations?

• 24

• 12

• 18

• 6