California Assessment of Student Performance and Progress (CAASPP) Math Practice Exam

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What is the result of the expression (3 + 7) × 2?

  1. 20

  2. 16

  3. 12

  4. 18

The correct answer is: 16

To solve the expression (3 + 7) × 2, it’s important to follow the order of operations, often remembered by the acronym PEMDAS (Parentheses, Exponents, Multiplication and Division, Addition and Subtraction). First, we focus on the part inside the parentheses. Adding 3 and 7 gives us 10. So, we rewrite the expression as 10 × 2. Next, we perform the multiplication. Multiplying 10 by 2 results in 20. Therefore, the correct result of the expression (3 + 7) × 2 is 20. This indicates that the response provided does not yield the correct answer, as the answer is indeed 20. An understanding of the order of operations is essential when evaluating mathematical expressions, ensuring that operations are performed in the proper sequence to achieve accurate results.

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