PLEASE DO IT FAST ..

A medical technician is working with the four samples of radionuclides listed in the table below. Initially, each sample contains 8.00 umol of the radionuclide. First, order the samples by decreasing initial radioactivity. Then calculate how long it will take for the amount of radionuclide in each sample to decrease to 1/32 of the initial amount. radionuclide sample initial radioactivity time for amount of radionuclide to decrease to 1/32 of initial amount symbol half-life 131 A Cs 10. days (choose one) 1 days 55 35 B s 87.0 days (choose one) days 16 60 8 Co 5.0 years (choose ono) years 27 91 D Y 59.0 days (choose one) days 39 $