Answer:
D
Step-by-step explanation:
Associative property moves the parenthesis
Choice B
B or d are most likely it I could be wrong if I am, I am so sorry:)

The question wants the answer with a power in it.
<h2>Correct question;</h2>
<h2>

</h2><h2>Required solution;</h2>
<h3>↠ Multiply the terms with the same base by adding their exponents</h3>
<h2>

</h2><h3>↠ Add the numbers</h3>
<h2>

</h2>
After expanding the answer will be 81

Hope it helps...
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