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Problem 1. (10 pts) The half life of a substance is 5 years. There are 30...

Question:

Problem 1. (10 pts) The half life of a substance is 5 years. There are 30 grams of the substance remaining after 9 years. (a)
Problem 1. (10 pts) The half life of a substance is 5 years. There are 30 grams of the substance remaining after 9 years. (a) Write an equation of the form P(t) = Poekt for the amount of the substance in grams remaining after t years. (6) Give the continuous decay rate as a percentage and the percent rate of change as a percentage. Clearly label each.

Answers

k is given as In (2) KE In (2) 0.138 Til --- 0.138€ kt 30 hence Plt) po e 0-138+ 3 оа. PL) by Rate of radioactive de cay is g

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