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College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter5: Exponential And Logarithmic Functions
Section5.CR: Chapter Review
Problem 15E: The half-life of a radioactive material is about 34.2 years. How much of the material is left after...
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A chemical dissolves in water at the rate to the amount still undissolved. Initially there is 600 grams of the chemical. If at the end of 30 minutes there is 400 grams left, it will take how many minutes until 95% of the chemical is dissolved?
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