We have hundreds of course questions with personalized recommendations + Account 100% premium
To solve the problem , we will multiply the numbers step-by-step, using the associative property of multiplication.
Since multiplying by 1 does not change the value of a number, the intermediate result 21 remains unchanged in the final step.
Thus, the solution to the problem is .
21
\( 20:1= \)
Get unlimited access to all 18 Order of operations for beginners 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