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Posted: **Mon May 23, 2022 10:27 am**

: Question 3 1 Pts Strontium 90 Is A Radioactive Isotope Produced In Nuclear Weapon Explosions And It Is Particularly Haz 1 (16.07 KiB) Viewed 12 times

Question 3 1 pts Strontium-90 is a radioactive isotope produced in nuclear weapon explosions, and it is particularly hazardous to humans. The half-life of strontium-90 is 29 years. Calculate how long it take for 98.9% of a strontium-90 sample to decay away. Give your answer in years.