⇒Associative property of Addition is applied for three real numbers.For, any three real numbers, A, B and C ≡A+B+C=A+(B+C)=(A+B)+C=(A+C)+B→→→Associative Property of Addition that is , we can add any two numbers first and then the third number with them. ⇒Also, Commutative Property of Addition of two numbers says that for any two numbers , A and B ≡A+B=B+A We have to find equivalent expression using Associative Property of the sum of set of three numbers →→(13+15+20)+(20+47+18) Answer Written by Jerry →(20+13+15)+(20+47+18) Answer Written by Layla →(20+47+18)+(13+15+20) The Expression Written by Keith and Melinda is Incorrect,because they haven't used the bracket Properly, as associative property says that you can add any two numbers first and then the third number among three numbers. →→Number of Students who has applied the Associative property Correctly Option B ⇒Two(Jerry, Layla)
From 9 to 27 is a 3 times increase, from 27 to 108 is a 4 times increase. So following the pattern, we can determine that it will increase 5 times, and fall another 540m in second 4. Then, we simply add all the numbers together to get the answer!
