The first term of a geometric sequence is 512

and the common ratio is 1/2 what is the

8th term?

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