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Geometric Sequences
easy
0:00.0
If
a
1
=
64
a_1 = 64
a
1
=
64
and
r
=
0.5
r = 0.5
r
=
0.5
, find
a
4
a_4
a
4
.
A
32
B
16
C
8
D
4
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