The radium isotope 226 Ra has a hall-life of 1600years. A sample begins with 3.50x1010 226 Raatoms.Y Part CNSubmitHow many are left after 400 years?195] ΑΣΦSubmit Request AnswerPart BHow many are left after 2000 years?N=1971 ΑΣΦSubmitHow many are left after 35000 years?Request AnswerΜΕ ΑΣΦΑRequest AnswerBAC??

The half-life of 226Ra is T1/2 = 1600yr and the Initial amount is N0 = 3.50 x 1010

The radium isotope 226 Ra has a hall-life of 1600 years. A sample begins with 3.50x1010 226 Ra atoms Y Part C N= Y Submit Submit [5] ΑΣΦ Part B N= Submit How many are left after 35000 years? 15] ΑΣΦ How many are left after 2000 years? Request Answer years? Request Answer [6] ΑΣΦΑ Request Answer SAPC ? ? ?

The radium isotope 226 Ra has a hall-life of 1600 years. A sample begins with 3.50x1010 226 Ra atoms Y Part C N= Y Submit Submit [5] ΑΣΦ Part B N= Submit How many are left after 35000 years? 15] ΑΣΦ How many are left after 2000 years? Request Answer years? Request Answer [6] ΑΣΦΑ Request Answer SAPC ? ? ?

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Half Life

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Question

The radium isotope 226 Ra has a hall-life of 1600
years. A sample begins with 3.50x1010 226 Ra
atoms.
Y Part C
N
Submit
How many are left after 400 years?
195] ΑΣΦ
Submit Request Answer
Part B
How many are left after 2000 years?
N=
1971 ΑΣΦ
Submit
How many are left after 35000 years?
Request Answer
ΜΕ ΑΣΦΑ
Request Answer
BAC
?
?

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Step 2: A. Find the amount left after 400 years:

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Step 3: B. Find the amount left after 2000 years:

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Step 4: C. Find the amount left after 35000 years:

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