Respuesta :

ghanami

Answer:

Step-by-step explanation:

hello :

the nth terme is :An = A1×r^(n-1)     ...A1=3 and r=2

An = 3×(2)^(n-1)

the seventh term when : n= 7    so  A7 = 3×(2)^(7-1) =3×(2)^(6) =192

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