Step-by-step explanation:
No.. its not
Explanation:
The sequence
80
,
40
,
20
,
10
,
5
,
...
is formed by division i.e.
80
2
=
40
,
40
2
=
20
,
20
2
=
10
...
.
And, their common ratio is
2
, as
80
40
=
2
,
40
20
=
2
,
20
10
=
2
...
.
Therefore this sequence is geometric .
