SOLUTION: for the series 2+4+8+16+.......... find the sum of 5 terms

SOLUTION: for the series 2+4+8+16+.......... find the sum of 5 terms

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Question 234455: for the series 2+4+8+16+.......... find the sum of 5 terms
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
SERIES=AR^(N-1)=2*2^(5-1)=2*2^4=2*16=32
2+4+8+16+32
SUM=(A-RL)/(1-R) WHERE A=THE FIRST TERM, R=COMMON RATIO & L=LAST TERM.
SUM=(2-2*32)/(1-2)=(2-64)/-1=-62/-1=62 ANSWER.
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