answer in detail please

A tumor is injected with 0.72 grams of Iodine-125. After 1 day, the amount of Iodine-125 has decreased by 1.15%. Write an exponential decay model with A (t) representing the amount of Iodine-125 remaining in the tumor after { days. Enclose arguments of the function in parentheses and include a multiplication sign between terms. For example. c * In (t). Then use the formula for A (t) to find the amount of Iodine-125 that would remain in the tumor after 8.5 days. Round your answer to the nearest thousandth (3 decimal places) of a gram. sin (a) A (!) = There will be Number grams of Iodine-125 after 8.5 days