Question

Radioactive decay can be described by the following equation where is the original amount of the substance, is the amount of the substance remaining after time , and is a constant that is characteristic of the substance. For the radioactive isotope phosphorus-32, is . If the original amount of phosphorus-32 in a sample is 57.9 mg, how much phosphorus-32 remains after 13.7 days have passed

Answer 1

29.8 mg

Step-by-step explanation:

Just slightly less than 1/2 decay