Respuesta :

Answer:

a) -27 a³ b⁶

Step-by-step explanation:

Explanation:-

Given ( -3 ab² )³

By using  (ab )ⁿ = aⁿ bⁿ      

   ( -3 ab² )³ = (-3)³ a³ (b²)³

Again , using formula   [tex](a^{m} )^{n} = a^{mn}[/tex]

                    =   -27 a³ b⁶