Solve the function operations problem

Element x decays radioactively with a half life of 8 minutes. if there are 450 grams of element x, how long, to the nearest tenth of a minute, would it take the element to decay to 37 grams?

You deposit $5000 each year into an account earning 3% interest compounded annually. how much will you have in the account in 30 years?

The volume of a cube-shaped shipping container is 13,824 cubic inches. find the edge length of the shipping container.