1.
If it exists, what is the sum of the infinite series
A.
B.
The sum does not exist.
C.
D.
20
Hint
2.
A.
B.
The sum does not exist.
C.
D.
28
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.
1200 mm
C.
1000 mm
D.
90 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