OB Mail- Trevor Perry-out x MC Chegg Study l Guided Sc x C Mai Trevor Perry. Out
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OB Mail- Trevor Perry-out x MC Chegg Study l Guided Sc x C Mai Trevor Perry. Outx x S Homepage SS17-wRA- x D weBWork mth 124 ss1 x mage Secure h ps://ww 2 math msu.edu /webwork2/ 24 ss 17 76260/Hw03/11/?u &effectiveUse; perry tr18ukey b576f47956fe4 14d71ec2e84la1336ed&displayMode; Hw03: Problem 11 Hw03 Problem 11 Previous Problem List Next User Settings Grades Get help entering Tt answers point Problems One of the main contaminants of a nuclear accident, such as that at Chernobyl, is strontium-90, which decays exponentially at an annual rate of approximately 2.4% per year. (a) Write the percent of strontium-90 remaining. P. as a function of years, t. since the nuclear accident. Problem 1 Problem 2 Answer: Problem 3 Problem 4 (b) Estimate the half-life of strontium-90 Problem 5 V Problem 6 Answer: t years. Problem 7 Problem 8 (c) After the Chernobyl disaster, it was predicted that the region would not be safe Tor human habitation for 95 years. Estimate the percent of Problem 9 original strontium-90 remaining at this time. Problem 10 Answer Problem 1 Problem Note: In the second and third answer blank, round your answers to two decimal places. Problem 13 Note: You can earn partial credit on this problem. Preview My Answers Submit Answers Show me anothe You have attempted this problem 0 times. You have 25 attempts remaining /22/2017Explanation / Answer
Ans:-
A] P= e^-0.024t
B]0.5 = e^-0.024t1/2
Ln(0.5)= -0.024t1/2
t1/2 =28.88years
c]t1/2 = 95years
P = e^-0.024*95 = 0.10228 = 10.23%
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