Growth of wood

The annual growth of wood in the forest is estimated at 2%. In how many years will make the forest volume double?

Correct answer:

n =  35

Step-by-step explanation:

q=2%=1+2100=1.02  qn=2 nlnq=ln2  n=ln(2)/ln(q)=ln(2)/ln(1.02)=35



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