Strontium-90 decays according to the exponential function y = y₀ e^-0.0241t, where t is time in years. Match each question in Column I with the correct procedure in Column II to answer the question.

If the initial amount of Strontium-90 is 200 g, how much will remain after 20 yr?

Transcribed Image Text:

A. Solve 0.75yo = Yoe-0.0241f. B. Evaluate y = 200e-0.0241(10). C. Solve yo = yoe-0.0241f . D. Evaluate y = 200e-0.0241(20)