The half-life of ${ } _ { 43 } ^ { { } _ { 101 } } \mathrm { Tc }$ is 14 min.How many minutes would it take for the activity of a sample of this radionuclide to decrease from 1200 cpm to 150 cpm?

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The Answer of The half-life of ${ } _ { 43 } ^ { { } _ { 101 } } \mathrm { Tc }$ is 14 min.How many minutes would it take for the activity of a sample of this radionuclide to decrease from 1200 cpm to 150 cpm?

The Half-Life Of 43101Tc{ } _ { 43 } ^ { { } _ { 101 } } \mathrm { Tc }43101​​Tc

The Half-Life Of ${ } _ { 43 } ^ { { } _ { 101 } } \mathrm { Tc }$