Respuesta :
Answer:
-2
Step-by-step explanation:
Each value is divided by -2 to get to the next term
Answer:-1/2
Step-by-step explanation:
common ratio=(2nd term➗Ist term) or (3rd term➗2nd term)
first term=104
Second term=-52
Common ratio=-52 ➗ 104
Common ratio=-1/2