Question

cat face radical din 80

Answer 1

√80 = √2⁴·5 = 4√5

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Answer 2

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