Answer:
P(t) = 82,100(1.02)^t
 1.t is the time in years Â
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2.P(t) is the population after t years
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3. 100%=1 Â Â Â 102-100=2% so the interest rate is 2 %
  102%=1.02
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4. after 15 year just put in term s of 't' (wich is represent the years) 15 :
Step-by-step explanation: