500 g of iodine-131 is decaying exponentially. After 3 days 386 g of iodine-131 is left. (a)...
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500 g of iodine-131 is decaying exponentially. After 3 days 386 g of iodine-131 is left.
(a) Write a function in the form y = y0ekt giving the number of grams of iodine-131 after t days.
(b) Write the function from part (a) in the form y = y0(386/500)ƒ(t).
(c) Use your answer from part (a) to find the half-life of iodine- 131.
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a b From part a we have c The halfl...View the full answer
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