## General Chemistry 10th Edition

$2.133\times 10^{6}y$
We find the half life and we convert the units $t_{\frac{1}{2}}=\frac{0.693}{1.03\times 10^{-14}}\times \frac{1h}{3600s}\times \frac{1d}{24h}\times \frac{1y}{365d}=2.133\times 10^{6}y$