Question

What is the tenth term of the geometric sequence that has a common ratio of 1/3 and 36 as its fifth term?


4/27



2/74



4/81



1/36

Answer 1

i need help with setting up the formula

Answer 2

\[T _{n} = a*r ^{n-1}\]

Answer 3

get the first term...and after tht the tenth term

Answer 4

so 36=a*1/3^n-1

Answer 5

yeah if u mean (1/3)^(n-1)

Answer 6

plug value of "n" and get "a" i.e the first term

Answer 7

is n 5?

Answer 8

yup....

Answer 9

@bey123 done???

Answer 10

i got 4/27

Answer 11

yeah thts correct...:))))