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Joe was solving the following problem: The half-life of Cesium-137 is 30.7 years. How long will 200 grams of Cesium-137 take to decay to 0.001 grams?. Explain what joe'did wrong & tell him how to do it right.

Joe was solving the following problem: The half-life of Cesium-137 is 30.7 years. How long will 200 grams of Cesium-137 take to decay to 0.001 grams?. Explain what joe'did wrong & tell him how to do it right.

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Joe's work: N=N, 0.001 = 200 0.001 = 100 log 0.001 = log 100 log 0.001 = log 100 30.7 -3 = 30.7 %3D 30.7 t= 30.7 = -46.05 It will take just over -46 years. 1/2
Transcribed Image Text:Joe's work: N=N, 0.001 = 200 0.001 = 100 log 0.001 = log 100 log 0.001 = log 100 30.7 -3 = 30.7 %3D 30.7 t= 30.7 = -46.05 It will take just over -46 years. 1/2
Joe was solving the following problem: The half-life of Cesium-137 is 30.7 years. How long will 200 grams of Cesium-137 take to decay to 0.001 grams?. Explain what joe'did wrong & tell him how to do it right.
Transcribed Image Text:Joe was solving the following problem: The half-life of Cesium-137 is 30.7 years. How long will 200 grams of Cesium-137 take to decay to 0.001 grams?. Explain what joe'did wrong & tell him how to do it right.
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