Answer:
.20
Step-by-step explanation:
75/500 = .15
35-15=20
Answer:
Step-by-step explanation:
183.5
Answer:
Approximately 76.5 mg.
Step-by-step explanation:
Given,
The initial quantity of the Bismuth-210, P = 233 mg,
Also, the rate of decay per day, r = 13 %
Thus, the quantity of the Bismuth-210 after 8 days would be,






Answer:
the answer is 30 with 75 kids voting for drinks in total