.buffalo.edu/webwork2/2018 0 MTH141 Casper/Section 3.8/5/?user-kashifqu&effectiv
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.buffalo.edu/webwork2/2018 0 MTH141 Casper/Section 3.8/5/?user-kashifqu&effectiveUser-kashif; imi MATHEMATICAL ASSOCIATION OF AMERICA Kwebwork 2018 0 mth141 casper section 3.8/5 Section 3.8: Problem 5 Prev UpN (1 pt) The half-ife was the initial mass (in mg) of the sample? of Palladium-100 is 4 days. After 16 days a sample of Paladium-100 has been reduced to a mass of 5 mg. What What is the mass 8 weeks after the start? Note: You can earn partial credit on this problem. You have attempted this problem 0 times You have 10 attempts remaining. 6Explanation / Answer
Thalf = 4 days
16 days = 4 half-life passed
After 4 half-life amount remained = 5 gm
Using equation
An = A0*(1/2)^n
A0 = 5*2^4 = 80 mg
In 8 weeks = 56 days = 14 half-lifes
An = A0*(1/2)^n
An = 80*(1/2)^14 = 4.88*10^-3 mg
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