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Paul [167]
3 years ago
14

What's the answer ??????

Mathematics
1 answer:
Fittoniya [83]3 years ago
5 0
The answer is 3.99*10¯6
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P(4)=ae^{4r}\\\\1000000=ae^{4r}\ \ .\ \ .\ \ .\ (2)\\\\Divide \ equation\ 2\ by\ equation\ 1:\\\\\frac{1000000}{62}=\frac{ae^{4r}}{ae^{2r}} \\\\16129=e^{2r}\\\\ln(e^{2r})=ln(16129)\\\\2r=9.688\\\\r=4.844

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