Q1 -
Find the geometric means in the following sequence.
-9, ___, ___, ____, ____, -69,984
A. -324, -1,944, -11,644, -69,999
B. -54, -324, -1,944, -11,664
C. 54, 324, 1,944, 11664
D. -1,080, -1,620, -2,160, -2,700
Q2-
Find Sn for the given geometric series. Round to the nearest hundreth
a1= 0.1 , a5= 814.5, r=9.5
Use the formula: Sn= Sn = a(1 - rn) / (1 - r)
A. 85.5
B. 910.32
C. 736.94
D. 51,380.23
Q3-
Find a1 for the given geometric series. Round to nearest hundredth.
Sn= 47,615 , r= 3, n=5
Use the formula : Sn=a1-a1r^n/1-r
A. 393.51
B. 1,535.97
C. 780.6
D. 9,517
Q4 -
Find the sum of this geometric series. You can use either formula (picture attached)
A. 58,253.333
B. 233,016
C. 14,563.33
D. -58,253.333