Which expression is equal to (21)(7)(3x) using the associative property? (21 · 7 · 3)x (7)(21)(3x) 32(7 + 3x) (3x)(7)(21)
2 answers:
(21 • 7 • 3)x is the answer.
Answer:
(21 . 7 . 3)x.
Step-by-step explanation:
That would be (21 . 7 . 3)x.
The associative property allows us to multiply regardless of how the numbers/variables are grouped. We can put the parentheses anywhere.
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