Strontium-90 ("sr) is a by-product of nudear fission with a half-life of approximately 28.9 yr. After the Chernobyl nudear reactor accident in 1986, large areas surrounding the site were contaminated with "Sr. If 15 µg (micrograms) of "Sr is present in a sample, the function A (t) = 15 28 9 gives the amount A (O (in ug) present after t years, Evaluate the function for the given values of t and interpret the meaning in context. Round to 3 decimal places if necessary. (a) A (260.1) (b) A (173.4) (c) A (289) Part: 0/ 3 Part 1 of 3 (a) A (260.1) = After years, approximately ug of "Sr remains.
Strontium-90 ("sr) is a by-product of nudear fission with a half-life of approximately 28.9 yr. After the Chernobyl nudear reactor accident in 1986, large areas surrounding the site were contaminated with "Sr. If 15 µg (micrograms) of "Sr is present in a sample, the function A (t) = 15 28 9 gives the amount A (O (in ug) present after t years, Evaluate the function for the given values of t and interpret the meaning in context. Round to 3 decimal places if necessary. (a) A (260.1) (b) A (173.4) (c) A (289) Part: 0/ 3 Part 1 of 3 (a) A (260.1) = After years, approximately ug of "Sr remains.
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter5: Inverse, Exponential, And Logarithmic Functions
Section: Chapter Questions
Problem 18T
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Transcribed Image Text:Strontium-90 ("sr) is a by-product of nudear fission with a half-life of approximately 28.9 yr. After the Chernobyl nudear reactor accident in 1986, large areas
28.9
surrounding the site were contaminated with "Sr. If 15 ug (micrograms) of "sr is present in a sample, the function A(t) = 15
gives the amount A (
(in ug) present after t vears, Evaluate the function for the given values of t and interpret the meaning in context. Round to 3 decimal places if necessary.
(a) A (260.1)
(b) A (173.4)
(c) A (289)
Part: 0/ 3
Part 1 of 3
(a) A (260.1) =
After
years, approximately
ug of "Sr remains.
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