We have hundreds of course questions with personalized recommendations + Account 100% premium
According to the rules of the order of operations, we solve the exercise from left to right:
360
\( 100-(30-21)= \)
No! Multiplication is commutative, so you can multiply in any order. Try or - you'll get 360 either way!
Absolutely! You can group them as . This is often easier when you spot friendly numbers that multiply to nice round numbers.
Break it down into two separate multiplications. Write: Step 1: , Step 2: Take that answer . This prevents mistakes!
Use estimation! Round to . Since 360 is close to 300, it makes sense. If you got 36 or 3600, you'd know something went wrong.
They probably added instead of multiplied: , then maybe multiplied by something else. Always double-check that you're using the right operation!
Get unlimited access to all 18 Commutative, Distributive and Associative Properties questions, detailed video solutions, and personalized progress tracking.
Unlimited Video Solutions
Step-by-step explanations for every problem
Progress Analytics
Track your mastery across all topics
Ad-Free Learning
Focus on math without distractions
No credit card required • Cancel anytime