1.	Find the sum of the infinite series if it exists.
		A.	The sum does not exist.	B.	8
		C.	4	D.	1
		Hint
	2.
		A.	The sum does not exist.	B.	28
		C.		D.
		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.	1000 mm	B.	1200 mm
		C.	90 mm	D.	800 mm
		Hint
	5.	Write the infinite geometric series in sigma notation if a1 = 3 and the sum is 6.
		A.		B.
		C.		D.
		Hint