What is the result of 15 ÷ 3 + 2 × 4?

Study for the HSC Mathematics Standard 2 Exam. Utilize flashcards and multiple choice questions, each with hints and explanations. Prepare confidently for your exam success!

To solve the expression 15 ÷ 3 + 2 × 4, it’s crucial to 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 handle the division and multiplication before the addition:

  1. Perform the division: 15 ÷ 3 equals 5.

  2. Next, we execute the multiplication: 2 × 4 equals 8.

Now we substitute these results back into the expression: 5 + 8.

Finally, we perform the addition: 5 + 8 equals 13.

Therefore, the result of the given mathematical operation is 13, which corresponds to the selected answer. Understanding the order of operations is crucial in arriving at the correct result in mathematical expressions.

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