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Author Question: Strontium 90 decays at a constant rate of 2.44% per year. Therefore, the equation ... (Read 115 times)

imowrer

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on: Feb 28, 2021
Solve the problem.

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 = P0 e-0.0244t. How long will it take for 15 grams of strontium to decay to 5 grams? Round answer to 2 decimal places.
◦ 4.50 years
◦ 450.25 years
◦ 45.03 years.
◦ 40.50 years
Precalculus ¦ Sullivan ¦ 10th Edition
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Marked as best answer by imowrer on Feb 28, 2021

anyusername12131

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Reply #1 on: Feb 28, 2021
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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imowrer

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Reply 2 on: Feb 28, 2021
Great answer, keep it coming :)

Joy Chen

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Reply 3 on: Yesterday
Wow, this really help

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