### Determine whether the sequence 6, 18, 54, 162... is geometric. If it is

```Determine whether the sequence 6, 18, 54, 162... is
geometric. If it is geometric, find the common ratio.
Choose the answer from the following :
1. Geometric
sequence, r=3
2. Geometric
sequence, r=6
3. Not a geometric
sequence
33%
1
2
3
4
5
6
7
8
9
10
11
12
13
21
22
23
24
25
26
27
28
29
30
31
32
33
41
42
43
44
45
46
47
48
49
50
1
33%
2
33%
14
15
16
17
18
319
20
34
35
36
37
38
39
40
1.
33%
33%
33%
2.
3.
1
2
3
4
5
6
7
8
9
10
11
12
13
21
22
23
24
25
26
27
28
29
30
31
32
33
41
42
43
44
45
46
47
48
49
50
1
14
15
16
2
17
18
319
20
34
35
36
37
38
39
40
1.
33%
33%
33%
2.
3.
1
2
3
4
5
6
7
8
9
10
11
12
13
21
22
23
24
25
26
27
28
29
30
31
32
33
41
42
43
44
45
46
47
48
49
50
1
14
15
16
2
17
18
319
20
34
35
36
37
38
39
40
Find the sum. 1 + 4 + 16 + ... + 16,384.
Choose the answer from the following :
1. 21,845
2. 5,461
3. 87,381
33%
1
2
3
4
5
6
7
8
9
10
11
12
13
21
22
23
24
25
26
27
28
29
30
31
32
33
41
42
43
44
45
46
47
48
49
50
1
33%
2
33%
14
15
16
17
18
319
20
34
35
36
37
38
39
40
1.
33%
33%
33%
2.
3.
1
2
3
4
5
6
7
8
9
10
11
12
13
21
22
23
24
25
26
27
28
29
30
31
32
33
41
42
43
44
45
46
47
48
49
50
1
14
15
16
2
17
18
319
20
34
35
36
37
38
39
40
```