Identify if each sequence is arithmetic, geometric, or neither.
$10,5,\frac{5}{2},\frac{5}{4},\dots$

Find the indicated term of the following geometric sequence.

$a_n=10(\frac{1}{5}{)}^{n-1}$

Find $a_4$.

Find the indicated term of the following geometric sequence.

$a_n=4(0.3{)}^{n-1}$

Find $a_5$.

Identify if each sequence is arithmetic, geometric, or neither.

$7,10,16,25,37,\dots$

Identify if each sequence is arithmetic, geometric, or neither.

$5,11,17,23,29,\dots$

Find the common ratio for the geometric sequence.

$3,12,48,192,\dots$

Find the common ratio for the geometric sequence.

$\frac{18}{5},\frac{6}{5},\frac{2}{5},\frac{2}{15},\dots$

Find the common ratio for the geometric sequence.

$0.8,0.12,0.018,0.0027,\dots$

Write the first four terms of the following geometric sequenc

$a_1=-8,r=-\frac{1}{2}$