= present in 450 years? A) 32 grams B) 10 grams C) 4 grams D) 1 gram

College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
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Chapter5: Exponential And Logarithmic Functions
Section: Chapter Questions
Problem 28T: The half-life of radioactive actinium ( 227AC ) is 21.77 years. What percent of a present amount of...
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Pre cal
14.
The half-life of Zinc-22 is 75 years. If 64 grams is present now, how much will be present in 450 years?
A) 32 grams
B) 10 grams
C) 4 grams
D) 1 gram
Transcribed Image Text:14. The half-life of Zinc-22 is 75 years. If 64 grams is present now, how much will be present in 450 years? A) 32 grams B) 10 grams C) 4 grams D) 1 gram
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