Question
Asked Dec 8, 2019
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The half-life of Radium-226 is 1590 years. If a sample contains 200 mg, how many mg will remain after 1000 years?

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Expert Answer

Step 1

Given,

The half-life of Radium-226 is 1590 years. i.e., h=1590

A sample contains 200 mg. i.e.,A0=200

and to find remaining sample after t=1000

Step 2

Then by using the formula of r...

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Image Transcriptionclose

A(t) = A, ·2 1000 A(1000)= 200-2 1590 100 = 200-2 159 z 200-0.64665 z129

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Tagged in

Math

Algebra

Exponents