# Question #5b6b3

Jun 7, 2017

$\sqrt{80} = 8.94427191$

#### Explanation:

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

$\sqrt{80} = 8.94427191$

We can prove this by squaring this number.

$8.94427191 \times 8.94427191 = 80$

${8.94427191}^{2} = 80$

$\therefore$ the square root of = $4 \sqrt{5}$