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Mathematics, 01.12.2020 22:20 tshegofatso92

The half life of carbon-11 is 20 minutes. A sample of carbon-11 has 25mCi. How much is left after 1 hour?*
A)12.5mci
B)10.2mCi
C)2.25mci
D)3.125mci

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The half life of carbon-11 is 20 minutes. A sample of carbon-11 has 25mCi. How much is left after 1...
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