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Hi there!
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[tex]4\sqrt{5}[/tex]
⇒Using the law of radicals
[tex]\sqrt{a}[/tex] × [tex]\sqrt{b}[/tex] ⇔ [tex]\sqrt{ab}[/tex]
⇒ [tex]\sqrt{80}[/tex]
⇒ [tex]\sqrt{16} \times 5[/tex] [tex]= \sqrt{16}[/tex] × [tex]\sqrt{5}[/tex] [tex]= 4\sqrt{5}[/tex]
❀Hope this helped you!❀
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