A sample of radium has a weight of 1.5 mg and a half-life of approximately 6 years. a) Find a function F which models the amount of radium f(t), in mg, remaining after t years

b) How much of the sample will remain after 6 years? 3 years? 1 year?

Sherrie is baking a pie for her family. she leaves the room and comes back to 35% of the pie having been eaten before she can put the topping on. how much 1 square inch strips of dough will she need for the top, now that a portion is missing? round your answer to the nearest while nimber.