A population PPP follows dPdt=0.1P\frac{dP}{dt} = 0.1PdtdP=0.1P. What is the doubling time?
ln20.1\frac{\ln 2}{0.1}0.1ln2
0.1ln20.1 \ln 20.1ln2
10.1\frac{1}{0.1}0.11
ln(0.1)\ln(0.1)ln(0.1)