SOLUTION: A G.P has 8 terms it first and last term are 0.3 and 38.4 calculate (a) the common ratio (b) the sum of the terms in the G.P

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Question 1200760: A G.P has 8 terms it first and last term are 0.3 and 38.4 calculate
(a) the common ratio
(b) the sum of the terms in the G.P
Answer by Edwin McCravy(20056)   (Show Source): You can put this solution on YOUR website!

0.3, 0.3r, 0.3r2, 0.3r3, 0.3r4, 0.3r5, 0.3r6, 0.3r7 = 38.4

0.3r7 = 38.4
 Divide both sides by 0.3
r7 = 128












Edwin
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