Respuesta :

Answer:

D

Step-by-step explanation:

1*2=2

2*2=4

4*2=8

8*2=16

16*2=32

Answer: 16, –8, 4, –2, 1. has a common ratio,r = (-1/2)

-15, –18, –21.6, –25.92, –31.104 has a common ratio, r = (1.2)

625, 125, 25, 5, 1 has a common ratio, r= (1/5)

Step-by-step explanation:

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