Due to the short life of Technetium -99m, this material cannot be easily transported. However, Technetium - 99m can be formed from the beta decay of Molybdenum- 99, which has a half-life of about 2.75 days. Unfortunately, the world's supply of molybdenum - 99 is in jeopardy as the nuclear facilities that produce this material are beginning to cease operations. Use this information to answer the following questions :

b. If you have 50 grams of Molybdenum-99, how many grams will remain after 11 days