When given the following: density = 0.79 g/mL and mass =8g (answer can be found in your reading) What is the volume of the object?

11. phosphorus-32 is radioactive and has a half life of 14 days. how much of a 124 mg sample of phosphorus-32 is present after 56 days? a) 7.75 mg b) 15.5 mg c) 31.0 mg d) 62.0 mg