Mathematics, 18.05.2021 19:20 001035783
A freshly isolatedsample of 90Y was found to have an activity of 8.9 x 105 disintegrations per minute at 1:00pm on December 3, 2003. At 2:15pm on Dec, 17, 2003, its activity was redetermined and found to be 2.6 x 104 disintegrations per minute. Calculate the half-life of 90Y.
Answers: 2
A freshly isolatedsample of 90Y was found to have an activity of 8.9 x 105 disintegrations per minut...
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