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Answered

Find the 4th term of the geometric sequence 3, 9, 27...​

Sagot :

Eririiviz

an = a1 r^n-1

a4 = 3 (3^4-1)

a4 = 3 (3³)

a4 = 3 (27)

a4 = 81

Answer:

81

Step-by-step explanation:

3

3*3=9

9*3=27

27*3=81