Calcium-45 has a half-life of 163 days. A sample has a mass of 60 mg initially. ) What is the formula for finding the amount remaining after t days. I) When will there only be 10 mg remaining? A)Y : 60(2) 165 ; 421 days B) y = 60e 1; 421 days 163 C)y = 60(2) 183 ; 292 days D) y = 60e 163 ; 292 days

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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.