Element X decays radioactively with a half life of 12 minutes. If there are 690 grams of Element X, how long, to the nearest tenth of a minute, would it take the element to decay to 30 grams? y = a(.5)%

Element X decays radioactively with a half life of 12 minutes. If there are 690 grams of Element X, how long, to the nearest tenth of a minute, would it take the element to decay to 30 grams? y = a(.5)%

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter10: Sequences, Series, And Probability

Section10.2: Arithmetic Sequences

Problem 67E

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Question

----- ---
Element X decays radioactively with a half life of 12 minutes. If there are 690 grams
of Element X, how long, to the nearest tenth of a minute, would it take the element to
decay to 30 grams?
y = a(.5)*
Answer:
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