Which list shows fractions that always result in a terminating decimal for values of n > 0?

Question

CLEAR SUBMIT

111, 1,121,11,331 ...,111𝑛
1
11
,

1
,
121
,
1
1
,
331

.
.
.
,
1
11
n



110, 1,100,11,000 ...,110𝑛
1
10
,

1
,
100
,
1
1
,
000

.
.
.
,
1
10
n



16, 1,36, 1216...,16𝑛
1
6
,

1
,
36
,

1
216
.
.
.
,
1
6
n



13, 1,9, 127...,13𝑛

Answer 1

1
,
9
,
12
7
.
.
.
,
1
3
n