Respuesta :
(5⁴)⁴ = 5⁴ x 5⁴ x 5⁴ x 5 ⁴ = 5⁽⁴⁺⁴⁺⁴⁺⁴⁾ = 5¹⁶
An other method: reminder : (xᵃ)ᵇ = xᵃᵇ; (5⁴)⁴ = 5⁴ˣ⁴ = 5¹⁶
An other method: reminder : (xᵃ)ᵇ = xᵃᵇ; (5⁴)⁴ = 5⁴ˣ⁴ = 5¹⁶