1.
N=N0·2E(-T/T0)
N=N0·2E(-16/8)
N=N0/2E(+2)
N=N0/4
N/N0=N0/(4·N0)
N/N0=0.25
N/N0=25%
2.
3 суток=24·3=72 часа
N=N0/2E(+72/18)
N=N0/2E(+4)
N=N0/16
N/N0=0.0625
N/N0=6.25%
3
N=N0/2E(+840/120)
N=N0/2E(+7)
N=N0/128
N/N0=0.007813
N/N0=0.78%
4.
Т=6мин3с=363с
N=N0/2E(+363/122)
N=N0/2E(+2.97)
N=N0/7.86
N/N0=0.127
N/N0=12.71%
5.
N=N0/2E(+48/8)
N=N0/2E(+6)
N=N0/64
N/N0=0.0156
N/N0=1.56%
6.
N=N0/2E(+14.4/3.8)
N=N0/2E(+3.79)
N=N0/13.8
N/N0=0.0723
N/N0=7.23%