Strontium 90 decays at a constant rate of 2.44% per year.

Last updated: 7/4/2022

Strontium 90 decays at a constant rate of 2.44% per year. Therefore, the equation for the amount P of strontium 90 after t years is P = Poe^-0.0244t. How long will it take for 15 grams of strontium to decay to 5 grams? Round answer to 2 decimal places. (Sec. 6.8/Textbook) 4.50 years 450.25 years 45.03 years. 40.50 years