1.	Determine the sum of the geometric series for which a1 = -486, , and an = -6.
		A.	-726	B.	322.6
		C.	325	D.	732
		Hint
	2.	Evaluate .
		A.	3072	B.	6141
		C.	3069	D.	2047
		Hint
	3.	Evaluate .
		A.	6	B.	7.5
		C.	10.5	D.	15
		Hint
	4.	Find a1 in a geometric series for which S12 = 3071.25 and r = 2.
		A.	3	B.
		C.		D.
		Hint
	5.	Write the series 4 + 6 + 9 + using sigma notation.
		A.		B.
		C.		D.
		Hint