Technetium 99m is a radioactive substance used to diagnose

Last updated: 7/24/2023

Technetium 99m is a radioactive substance used to diagnose brain diseases Its half life is approximately 6 hours Initially you have 220 mg of technetium 99m a Write an equation that gives the amount of technetium 99m remaining after t hours NOTE Round any values to four decimal places if required R t 220 e6t b Determine the number of hours needed for your sample to decay to 132 mg NOTE Round your answer to three decimal places It takes approximately hours for the sample to decay to 132 mg c Determine the concavity of the graph that models the quantity of technetium 99m using average rates of change over intervals of length 2 between t 0 and t 6 The graph is concavo