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,






It is False.
Hope it helps!
Each was on sale for s price
discount of 5 so the cost per was s-5
he bought 3 so times cost per by 3
3(s-5)
he paid 45 so it equals 45
3(s-5)=45
answer is last one