randyhoang7241 randyhoang7241

04-02-2020
Mathematics

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A certain radioactive isotope has a half life of 6 hours. The starting amount is 100 grams. Write an exponential function to model this scenario. How much of the isotope remains after 12 hours?

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kenlingdad kenlingdad

04-02-2020

Answer:

25 gm

Step-by-step explanation:

N₍x₎ = N₍₀₎ * (1/2)ˣ/ˣ₍₁/₂₎

N₍₁₂₎ = 100 * (1/2)¹²/₆ = 100 * (1/2)² = 25

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