1.
Find the sum of the infinite series
if it exists.
A.
The sum does not exist.
B.
4
C.
8
D.
1
Hint
2.
If it exists, what is the sum of the infinite series
A.
B.
C.
The sum does not exist.
D.
20
Hint
3.
Express
as a rational number of the form
.
A.
B.
C.
D.
Hint
4.
The length of the arc of the swing of a pendulum is 120 mm. If the length of the arc of each succeeding swing is decreased by 10%, find the total distance the pendulum travels before it stops.
A.
1200 mm
B.
1000 mm
C.
90 mm
D.
800 mm
Hint
5.
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