Respuesta :

Answer:

Step-by-step explanation:

(-5a²b⁷)⁷ = (-5)⁷*(a²)⁷*(b⁷)⁷            {(x*y)ⁿ = xⁿ yⁿ}

              = (-5)⁷a²ˣ⁷ b⁷ˣ⁷              { (xᵃ)ᵇ = xᵃˣᵇ}

              = (-5)⁷a¹⁴b⁴⁹