In 24 days a radioactive isotope decreases in mass from 1...
In 24 days a radioactive isotope decreases in mass from 128g to 2g. What is the half-life of the radioactive material?
2.54 days
4.00 days
4.80 days
6.00 days
8.00 days
Correct answer is B
No explanation has been provided for this answer.