Find the 8th term of the geometric sequence 4, 20, 100,...

Ralzereep9h

Ralzereep9h

Answered question

2022-10-18

Find the 8th term of the geometric sequence 4, 20, 100,...

Answer & Explanation

Dobricap

Dobricap

Beginner2022-10-19Added 14 answers

Nth term of geometric sequence a n = a r n - 1
a = 4 , a 2 = 20 , a 3 = 100
r = a 2 a = a 3 a 2 = 20 4 = 100 20 = 5
a 8 = 4 5 8 - 1 = 4 5 7 = 312 , 500

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