1.	Find the sum of the first five terms of the geometric series for which a1 = 2 and r = 2.
		A.	62	B.	126
		C.	14	D.	30
		Hint
	2.	What is the sum of the first eight terms of the geometric series for which a1 = -4 and r = -2?
		A.	340	B.	1020
		C.	1024	D.	256
		Hint
	3.	Determine the sum of the geometric series for which a1 = -486, , and an = -6.
		A.	325	B.	-726
		C.	322.6	D.	732
		Hint
	4.	Find the sum of the geometric series –5, -10, -20, -40, . . . for 7 terms.
		A.	-599	B.	-635
		C.	-527	D.	-689
		Hint
	5.	Evaluate .
		A.	2047	B.	6141
		C.	3069	D.	3072
		Hint