Respuesta :

Liyuki
To get from 2.4 to -4.8 would be to multiply by -2. 
2.4  -4.8  9.6  -19.2
     v      v      v
    *-2   *-2   *-2
Each number is multiplied by -2 to get to the next. So the relationship between the successive terms in the sequence shown is the multiplication of -2.

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