The radioactive substance cesium-137 has a half-life of 30 years. The amount A (t) (in grams) of a sample of cesium-137 remaining after t years is given by the ollowing exponential function. 30 A (t)= 621 Find the initial amount in the sample and the amount remaining after 100 years. Round your answers to the nearest gram as necessary.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter5: Inverse, Exponential, And Logarithmic Functions
Section: Chapter Questions
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The radioactive substance cesium-137 has a half-life of 30 years. The amount A (t) (in grams) of a sample of cesium-137 remaining after t years is given by the
following exponential function.
A (1)=621(;)*
30
A (t) = 621
Find the initial amount in the sample and the amount remaining after 100 years.
Round your answers to the nearest gram as necessary.
Transcribed Image Text:Español The radioactive substance cesium-137 has a half-life of 30 years. The amount A (t) (in grams) of a sample of cesium-137 remaining after t years is given by the following exponential function. A (1)=621(;)* 30 A (t) = 621 Find the initial amount in the sample and the amount remaining after 100 years. Round your answers to the nearest gram as necessary.
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