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According to the order of operations, we first put the multiplication exercise in parentheses to avoid confusion in the rest of the solution:
Let's solve the multiplication exercise first:
Now let's solve the exercise from left to right:
\( 8 + 3 \times 2 = \)
Mathematical operations have a specific order called PEMDAS! If we calculated left to right, we'd get wrong answers. Multiplication must come first.
No, parentheses aren't required, but they can help! Writing makes it clearer which operation to do first and prevents mistakes.
You'll get the wrong answer! For example, calculating left to right gives different results than following PEMDAS. Always remember: multiplication before subtraction!
Use PEMDAS: Please Excuse My Dear Aunt Sally. This helps you remember: Parentheses, Exponents, Multiplication/Division (left to right), Addition/Subtraction (left to right).
When operations have the same priority (like subtraction and subtraction), we work from left to right. So becomes .
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