Answer:
a=4
r = \frac{-16}{4}r=4−16
r = -4r=−4
a_{13} = 4×(-4)^{(13-1)}a13=4×(−4)(13−1)
a_{13} = 4×(-4)^{12}a13=4×(−4)12
a_{13} = 4×16777216a13=4×16777216
a_{13} = 67108864a13=67108864
La diabetes y la muerte de su padre ... Espero que ayude y así sea ... bienvenido
With the examples given, we do not know what "it" and "them" is that the speaker is referring to. Without stating what "it" is, the meaning of the sentence is unclear.
Hope this helps!!