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anonymous

  • 5 years ago

Find the sum of the following infinite geometric series, if it exists. 2 + 1.5 + 1.125 + 0.8437 +…

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  1. anonymous
    • 5 years ago
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    Find the sum of the infinite series 3 + 1.2 + 0.48 + 0.192 + …if it exists.

  2. anonymous
    • 5 years ago
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    use the a/1-r equation again.. your a=3 and your r = 2.5. Because to get from 3 to 1.2 you divide 3 by 2.5 or (5/2). I believe you should get 2.

  3. anonymous
    • 5 years ago
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    r =.75 so sum of serease= a/(1-r) 2/(1-.75)=8 sum of series =8

  4. anonymous
    • 5 years ago
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    oh geez ignore my comment. wrong one

  5. anonymous
    • 5 years ago
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    sam to what question have answered

  6. anonymous
    • 5 years ago
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    sam's is to the 1st question. mine is to the second one.

  7. anonymous
    • 5 years ago
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    okay...same one r=.4 a=3 so sum of series=3/(1-.4)=5

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