Question

What is the 7th term of the geometric sequence 3, 9, 27

Answer 1

\[3^{n}\] n=7 so..

Answer 2

well.. if a_1=3 ...
\[\LARGE q=\frac{9}{3}=3 \]
\[\LARGE a_n=a_1\cdot q^{n-1}\]
\[\LARGE a_7=3\cdot 3^{7-1}\]
...

Answer 3

can you do it now ?

Answer 4

yup i got it

Answer 5

if u want to solved more geometri problem just do like @kreshnik said..