115k views
0 votes
Which pair of expressions is equivalent using the Associative Property of Multiplication?

5(3a ⋅ 4) = 15a ⋅ 20
5(3a ⋅ 4) = (3a ⋅ 4) ⋅ 5
5(3a ⋅ 4) = (5 ⋅ 3a) ⋅ 4
5(3a ⋅ 4) = 5 ⋅ 3a ⋅ 4

2 Answers

3 votes
answer is

5(3a ⋅ 4) = (5 ⋅ 3a) ⋅ 4 (third choice)

hope it helps
User GWLlosa
by
7.0k points
3 votes
First one is equivalent
Edit: I answered this too quickly without thinking about it
forgot that #1 only works if that was an addition or subtraction sign
Answer is #3
User Kuldeep Singh
by
7.4k points