Select the number property that will justify the step in the following expression.

6 + (14 + 70) =
(6 + 14) + 70 = transitiveidentity - additionassociative - additioncommutative - addition
20 + 70 = 90

Answer :

TheRapture
Additioncommutative looks the most appropriate answer
olemakpadu
a + (b + c) =  (a + b) + c

This identity is associative.

Addition Associative.

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