user214354657 user214354657

08-06-2020
Mathematics

contestada

find the 7th term of the geometric progression which begins:
2, -6, 18...

Respuesta :

lucasella lucasella

08-06-2020

Answer:

a7=1458

Step-by-step explanation:

2; -6; 18... a geometric progression

a1=2; a2=-6; a3=18

r=a2/a1=-6/2

r= -3

a7=a1*r⁶

a7=2*(-3)⁶=2*729

a7=1458

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