Cracking the SAT Physics Subject Test
marvins-underground-k-12
(Marvins-Underground-K-12)
2020-11-25 20:10:37 UTC
#1
The half-life of iodine-131 (a β− emitter) is 8 days. If a sample
of^131 I has a mass of 1 gram, what will the mass be 40 days later?
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