Tolong bantu jawabb no 2...pliss

a. √8
√4 x 2
=2√2

b.
[tex] \sqrt[3]{27} = \sqrt[3]{ {3}^{3} } = 3[/tex]
c.
[tex] \sqrt[4]{81} = \sqrt[4]{ {3}^{4} } = 3[/tex]