Assessment And Learning In Knowledge Spaces (ALEKS) Basic Math Placement Practice Test

What is the value of (6 + 2) x (5 - 3)?

12 14 16 18

Correct Answer:

Explanation:

To find the value of the expression (6 + 2) x (5 - 3), we follow the order of operations, often remembered by the acronym PEMDAS (Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right)). First, we solve the expressions within the parentheses: 1. For (6 + 2), the calculation is straightforward: 6 + 2 = 8. 2. Next, we evaluate (5 - 3): 5 - 3 = 2. Now we substitute these results back into the expression: (6 + 2) x (5 - 3) becomes 8 x 2. Lastly, we perform the multiplication: 8 x 2 = 16. Thus, the correct answer is 16. This shows the correct understanding of applying the order of operations to evaluate the mathematical expression accurately.

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