1.
Find the sum of the infinite series
if it exists.
A.
4
B.
The sum does not exist.
C.
1
D.
8
Hint
2.
Express
as a rational number of the form
.
A.
B.
C.
D.
Hint
3.
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.
800 mm
B.
1000 mm
C.
90 mm
D.
1200 mm
Hint
4.
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
5.
Which of the following series is not infinite?
A.
B.
C.
D.
Hint