Question 2 (5 points)
Strontium-90 has a half-life of about 29 years. After 65 years, about ho...
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Mathematics, 16.04.2020 02:23 cathydaves
Question 2 (5 points)
Strontium-90 has a half-life of about 29 years. After 65 years, about how many
grams of a 25-gram sample will remain?
O 12.5
O 5
O 19
18
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