Question 1088641
It increased at a rate of 40% per day.
90000=(1.4)^t
ln both sides
ln (90000)=t ln (1.4)
divide both sides by ln (1.4)
t=33.90 days.
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After 4 days, 1000(1.4)^4=3841.6 or 3842
As stated above, 33.90 days until 90,000 are in the colony.