The half-life of radium-226 ( 226 88 RA ) is 1590 years.(a) A sample of radium-226 has a mass of 100 mg. Find a formula for the massof 226 88 RA that remains after t years.(b) Find the mass after 1000 years correct to the nearest milligram.(c) When will the mass be reduced to 30 mg?

Given- t12=1590 years, intial amount=100mg To find- (a)Find a formula for the massof 226 88 RA…

Answered: The half-life of radium-226 ( 226 88…

College Algebra

1st Edition

ISBN:9781938168383

Author:Jay Abramson

Publisher:Jay Abramson

Chapter6: Exponential And Logarithmic Functions

Section6.7: Exponential And Logarithmic Models

Problem 15TI: Cesium-137 has a half-life of about 30 years. If we begin with 200 mg of cesium-137, will it take...

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The half-life of radium-226 ( ^226₈₈RA ) is 1590 years.
(a) A sample of radium-226 has a mass of 100 mg. Find a formula for the mass
of ^226₈₈RA that remains after t years.
(b) Find the mass after 1000 years correct to the nearest milligram.
(c) When will the mass be reduced to 30 mg?

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