1.	If it exists, what is the sum of the infinite series
		A.	The sum does not exist.	B.
		C.		D.	20
		Hint
	2.	Express as a rational number of the form .
		A.		B.
		C.		D.
		Hint
	3.	Write as a fraction.
		A.		B.
		C.		D.
		Hint
	4.	In order to write as a fraction, by what factor should we multiply S in order to obtain a second equation?
		A.	10	B.	1000
		C.		D.	100
		Hint
	5.	Which of the following series is not infinite?
		A.		B.
		C.		D.
		Hint