Use the associative property to explain why the following statement is true. Any number that has 9 as a factor also has 3 as a factor.
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Step-by-step explanation:
Let's suppose 9 is a factor of the number N. That means N is 9 times some integer M.
N = 9xM
Since 9 = 3x3, we can also write N as
N = 3x3xM
That means N is 3 times some integer (3xM). So 3 is also a factor of N.
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