Question

the first term of a geometric sequence is 512
and the common ratio is 1/2 what is the
8th term?

Answer 1

Answer:

Step-by-step explanation:

hello :

the n-ieme term is : An=A1×r^(n-1)

A1 the first term       r : the common ratio

in this exercice : A1 =512       r = 1/2            n = 8

A8=512×(1/2)^(8-1) = 512×(1/2)^7