Respuesta :

syed514
common ratioo = 8.5 / 5 = 1.7 9th term = ar^ 9-1 = 5 * 1.7 ^ 8 sorry i havent got my calculator to work this out
HomertheGenius
The geometric sequence:
a 1 = 5, a 2 = 8.5,  a 3 = 14.45,  a 4 = 24.565,...
r = 8.5 / 5 = 1.7
a n = a 1 * r^(n-1)
a 9 = 5 * 1.7^(8) = 5 * 69.757574
a 9 = 348.7878205 ≈ 348.8

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