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- Please Check Wrong Answers Before Responding 1 (29.81 KiB) Viewed 35 times
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answerhappygod
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2) Suppose you have a sample with 100 mCi of 82 Sr. When will the activity of 82Rb reach over 99% of the activity of 82 Sr? 7.74e-11 Your submissions: 7.74e-11 X Computed value: 7. 7.7e-11 X Feedback: 4.68 IX 2.4e5 IX 0.07798 X 3) How much daught 7.8e-2 8.3 20 min Submit Help Xestion 1) will there be after 20 minutes? IX XmCi Submit O
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2) Suppose you have a sample with 100 mCi of 82 Sr. When will the activity of 82Rb reach over 99% of the activity of 82 Sr? 7.74e-11 Your submissions: 7.74e-11 X Computed value: 7. 7.7e-11 X Feedback: 4.68 IX 2.4e5 IX 0.07798 X 3) How much daught 7.8e-2 8.3 20 min Submit Help Xestion 1) will there be after 20 minutes? IX XmCi Submit O