Order of Operations and Expressions

The video tutorial explains how to simplify the expression 8 - 3 + 7 * 5 using the order of operations. It covers the four main steps: handling grouping symbols, evaluating exponents and radicals, performing multiplication and division, and finally, addition and subtraction. The tutorial emphasizes the importance of following these steps in sequence to arrive at the correct result, which is 40.

What is the initial expression that needs to be simplified?

• 8 minus 3 plus 7 times 5

• 8 plus 3 minus 7 times 5

• 8 times 3 plus 7 minus 5

• 8 minus 3 times 7 plus 5

Which step involves performing operations within grouping symbols?

• Step 1

• Step 2

• Step 3

• Step 4

What should be evaluated in Step 2 of the order of operations?

• Addition and subtraction

• Multiplication and division

• Exponents and radicals

• Grouping symbols

What is the result of multiplying 7 by 5 in the expression?

• 40

• 45

• 35

• 30

Why is it incorrect to perform subtraction before multiplication in the expression?

• Because subtraction is always last

• Because multiplication has a higher priority

• Because subtraction is not part of the expression

• Because addition should be done first

What is the result of 8 minus 3 in the expression?

• 5

• 4

• 3

• 2

What is the final simplified result of the expression?

• 35

• 38

• 45

• 40

In the order of operations, what should be done last?

• Multiplication

• Division

• Addition or subtraction

• Exponents