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Geometric Sequences
easy
0:00.0
Find
a
3
a_3
a
3
if
a
1
=
1
,
r
=
0.5
a_1=1, r=0.5
a
1
=
1
,
r
=
0.5
.
A
0.25
0.25
0.25
B
0.5
0.5
0.5
C
0.125
0.125
0.125
D
1
1
1
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