Question

01 Question (point) a See page 978 1st attempt hid See Periodic Table See Hint Cesium-131 is a short-lived radioisotope (t1/2 9.70 days) used to treat prostate cancer. How much therapeutic strength does a cesium-131 source lose over 20.0 days? Express your answer as a percentage of the strength the source had at the beginning of the first day. 01:12 > 7 OF 12QUESTIONS COMPLETED SUBMIT ANSWER

Cesium-131 is a short-lived radioisotope (t1/2 = 9.70 days) used to treat prostate cancer. How much therapeutic strength does a cesium-131 source lose over 20.0 days? Express your answer as a percentage of the strength the source had at the beginning of the first day.

Answer 1