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19 September, 03:31

The bird population on an island is declining at a rate of 2.2% per year. The population was 3500 in the year 2009.

Which answer is the best prediction of the population in the year 2014?

A 2730

B 3062

C 3132

D 3423

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Answers (2)
  1. 19 September, 04:09
    0
    Hey so the answer would be c
  2. 19 September, 05:28
    0
    The population is multiplied by 100% - 2.2% = 97.8% each year. After 5 years, the population will have been multiplied by this value 5 times, so will be ...

    ... 3500*0.978⁵ ≈ 3132

    The appropriate choice is ...

    ... C. 3132
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