Find the tenth term of the geometric sequence with a4 = 16 and r = 2

Keshawn Moran

Keshawn Moran

Answered question

2022-11-05

Find the tenth term of the geometric sequence with a4 = 16 and r = 2

Answer & Explanation

martinmommy26nv8

martinmommy26nv8

Beginner2022-11-06Added 16 answers

for the standard 'Geometric sequence' , the terms are
a , ar , a r 2 , a r 3 , a r 4 , ... ... ... ... ... ... . . , a r n - 1
where a , is the 1st term , r is the common ratio and the
nth term = a r n - 1
To find any term in the sequence , the nth term is used. To use it , requires knowing a and r .
To find a.
use a 4 = a r 3 = 16 a = 16 r 3 = 16 2 3 = 16 8 = 2
now a 10 = a r 9 = 2 ( 2 ) 9 = 1024

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