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Verified Answer :

Greenleafable

You can use this equation to help you: (ab)^2 = a^2 b^2. And also (a^m)^n = a^mn

So, here it is:

(7ab^3)^2 = 7^2 a^2 b^32 = 49a^2b^6

The correct answer is the third one - 49 a^2 b^6.

Answer:

The correct answer is the third one - 49 a^2 b^6.

Step-by-step explanation:

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