5×102Am−15 \times 10^{2} \mathrm{Am}^{-1}5×102Am−1
5×104Am−15 \times 10^{4} \mathrm{Am}^{-1}5×104Am−1
5×103Am−15 \times 10^{3} \mathrm{Am}^{-1}5×103Am−1
50Am−150 \mathrm{Am}^{-1}50Am−1