Respuesta :

Answer:


r = 3


Step-by-step explanation:

[tex]a_n = a_1\cdot r^{n - 1} \\\ 1350 = 50\cdot r^3 \\\ r^3 = \frac{1350}{50} \\\\\ r^3 = 27 \\\ r^3 = 3^3 \\\ r = 3[/tex]


I hope I helped you.