No. 2,3,4 Mohon di bantu:))

Nomor 2.
[tex] = \sqrt[6]{ {b}^{5} } \times \sqrt[4]{ {b}^{2} } \\ = b^{ \frac{5}{6} } \times b^{ \frac{1}{2} } \\ = {b}^{ \frac{5}{6} + \frac{1}{2} } \\ = b^{ \frac{8}{6} } \\ = {b}^{ \frac{4}{3} } \\ = \sqrt[3]{ {b}^{4} } [/tex]