Determine 3829

Determine the sum of the first three members of GP if q = 2 and a4 = 2.4.

Correct answer:

s =  2.1

Step-by-step explanation:

q=2 a4=2.4 a3=a4/q=2.4/2=56=151=1.2 a2=a3/q=1.2/2=53=0.6 a1=a2/q=0.6/2=103=0.3 s=a1+a2+a3=0.3+0.6+1.2=2.1



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