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.
		A.		B.
		C.	28	D.	The sum does not exist.
		Hint
	3.	Express as a rational number of the form .
		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.		B.	1000
		C.	100	D.	10
		Hint