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2 Nov 2021

Given information

Given that half-life of the cesium- is  years and the mass of a sample .

Calculate the mass that remains after  years.

 

 

Step-by-step explanation

Step 1.

Let be the function of decay, where is the initial sample,

Thus, the expression for the mass remaining after days is given by  

Given the half-life of  cesium- is 

Substitute the above values 

 

  

 

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