Radium decompose in air at the rate proportional to the amount present. If initially there 20 grams, and after 10 years, 0.6% of the original amount decompose, a. what is the half life of radium? b. what is the amount remaining in 900 years?

Radium decompose in air at the rate proportional to the amount present. If initially there 20 grams, and after 10 years, 0.6% of the original amount decompose, a. what is the half life of radium? b. what is the amount remaining in 900 years?

College Algebra

1st Edition

ISBN:9781938168383

Author:Jay Abramson

Publisher:Jay Abramson

Chapter6: Exponential And Logarithmic Functions

Section: Chapter Questions

Problem 4PT: An investment account was opened with aninitial deposit of 9,600 and earns 7.4 interest,compounded...

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Question

Radium decompose in air at the rate proportional to the amount present. If initially there 20 grams, and after 10 years, 0.6% of the original amount decompose,

a. what is the half life of radium?

b. what is the amount remaining in 900 years?

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