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27 June, 17:55

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)

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  1. 27 June, 18:06
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    (21 • 7 • 3) x is the answer.
  2. 27 June, 18:09
    0
    (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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