Question

Initially 100 milligrams of a radioactive substance was present. After 5 hours the mass had decreased by 2%. If the rate of decay is proportional to the amount of the substance present at time t, determine the half-life of the radioactive substance

Answer 1

Answer:

The half-life of the radioactive substance is 135.9 hours.

plz make me a  Brainliest

have a good day

hope i helped u today let me know what u need help too :)