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nika2105 [10]
3 years ago
15

The population of a local species of mosquitos can be found using an infinite geometric series where a1 = 740 and the common rat

io is one sixth. Write the sum in sigma notation, and calculate the sum (if possible) that will be the upper limit of this population.
Mathematics
1 answer:
ollegr [7]3 years ago
6 0
Sum = a1 + a2 + a3 + ... + an = Σan
Sum to infinity of a geometric sequence is given by S∞ = a/(1 - r); where a is the first term and r is the common ratio.
S∞ = 740/(1 - 1/6) = 740/(5/6) = 888
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