Question

Please Help me out Thank You

Answer 1

Answer: $\sqrt{2^4} \cdot \sqrt{5}$


Explanation:

$\sqrt{80} = \sqrt{2 \times 2 \times 2 \times 2 \times 5} = \sqrt{2^4 \times 5} = \sqrt{2^4} \times \sqrt{5} = \sqrt{2^4} \cdot \sqrt{5}$


The Wise Orange knows that "$\cdot$" means multiply. 

Answer 2

$\sqrt{2^4} * \sqrt{5}$
(the middle choice)