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According to the order of operations, first we solve the exercise within parentheses:
Now we solve the exercise
Since the exercise only involves multiplication and division operations, we solve from left to right:
27
Solve the following problem:
\( 187\times(8-5)= \)
Parentheses are the highest priority in PEMDAS! They tell you exactly which operation to do first, no matter what other operations are in the problem.
The colon (:) means division, just like the ÷ symbol. So is the same as .
Multiplication and division have equal priority in PEMDAS! When you have both, you must work from left to right, not multiplication first.
Use PEMDAS: Parentheses, Exponents, Multiplication and Division (left to right), Addition and Subtraction (left to right).
You probably calculated . Remember: the colon means division, not addition! So it's .
Yes! Work backwards: start with 27, divide by 3 to get 9, then multiply by 4 to get 36. Finally, subtract 6 to get 30. If you get the original number, you're correct!
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