Answer:
Step-by-step explanation:
Mass after 50 days = ?
Beginning mass
mass 1/2 life = 64.9
Mass after 50 days = beginning mass (1/2)^(t/64.9)
Mass after 50 days = 10 * 1/2 ^ (50 / 64.9)
Mass after 50 days = 10 * 0.586
Mass after 50 days = 5.86 mg
