The population P(t) of a town, in thousands, t years after 1900 can be described by the rule P(t)=20(1.015)ᵗ.   What was the population in 1900?   What is the annual rate of growth or decay of the population? Give your answer as a percent.

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Differential Equations

Have you ever observed the movement of the satellites and rockets or how the planets go around the sun in their orbits? How will you determine their motion? Definitely they follow some scientific laws and these kinds of problems are framed as differential equations.