Teacher writes the following question on the board and asks students to solve it. 711 + 177 + 33 = -------. Rohit solves the question using following steps (711 + 177) + 33 = 888 + 33 = 921 Ruhi solves the question using following steps 711 + (177 + 33)= 711 + 210 = 921 Which property is used by Rohit and Ruhi.
1 point
Commutative property
Closure property
Associative property
Distributive property
Answers
Given : Teacher writes the following question on the board and asks students to solve it. 711 + 177 + 33
Rohit solves the question using following steps (711 + 177) + 33 = 888 + 33 = 921
Ruhi solves the question using following steps 711 + (177 + 33)= 711 + 210 = 921
To Find : Which property is used by Rohit and Ruhi.
Solution:
Associative Property of Addition
(a + b) + c = a + ( b + c)
Commutative property a + b = b + a
Distributive property
a * (b + c) = a*b + a * c
(711 + 177) + 33 = 711 + (177 + 33)
(a + b) + c = a + ( b + c)
Hence Associative Property of Addition is used
So correct answer is Associative property
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Answer: Associative Property is used
Step-by-step explanation:
Associative Property = (a+b)+c = (b+c)+a