1.
If it exists, what is the sum of the infinite series
A.
The sum does not exist.
B.
20
C.
D.
Hint
2.
Express
as a rational number of the form
.
A.
B.
C.
D.
Hint
3.
What is the value of
r
in an infinite geometric series if
a
1
= 3 and the sum is 6?
A.
B.
C.
D.
Hint
4.
Write
as a fraction.
A.
B.
C.
D.
Hint
5.
In order to write
as a fraction, by what factor should we multiply
S
in order to obtain a second equation?
A.
1000
B.
C.
100
D.
10
Hint