1.
What is the sum of the first eight terms of the geometric series for which
a
1
= -4 and
r
= -2?
A.
256
B.
1020
C.
1024
D.
340
Hint
2.
Evaluate
.
A.
3072
B.
2047
C.
3069
D.
6141
Hint
3.
Evaluate
.
A.
10.5
B.
15
C.
7.5
D.
6
Hint
4.
Find the sum of a geometric series for which
a
1
= 23,328,
a
n
= 3, and
r
=
.
A.
23,327
B.
19,440
C.
27,990
D.
27,993
Hint
5.
Write the series 4 + 6 + 9 +
using sigma notation.
A.
B.
C.
D.
Hint