Answer:
D
Explanation:
30x(4x5)=(30x4)x5
They are all multiply, so Parentheses can in any two of them.
C. (30 x 4) x (30 x 5)
30 x (4 x 5)
We distribute and get
(30 x 4) (30 x 5)
So, the answer is C. (30 x 4) x (30 x 5)
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