Radium decomposes at a rate proportional to the amount present. If 200 mg. of radium id reduced to 160 mg. radium in 250 years, determine how much radium will remain at the end of 500 years. 200 * (200 )2 160 1603 O 200 * (200 160 2 O 160 * (00)² 160 2 O 200 * ( )

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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.