tolaawodeko tolaawodeko

23-02-2021
Physics

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if the half life of a substance is 3minutes , what percentage of it will decay after 23 minutes

Respuesta :

steppe04 steppe04

23-02-2021

Answer & Explanation:

We can model the amount of substance remaining, S, after time, t, with the equation

, where

A is the quantity at time t = 0.

Divide both sides by A and multiply by 100 to obtain % remaining after t minutes.

100xS/A = 100x0.5^(-t/3)

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