[tex]80\ hm\cdot \frac{1\ km}{10\ hm} = \bf 8\ km[/tex]
[tex]5\cdot 10^6\ cm\cdot \frac{1\ km}{10^5\ cm} = \bf 50\ km[/tex]
[tex]1,2\cdot 10^{15}\ cm\cdot \frac{1\ km}{10^5\ cm} = \bf 1,2\cdot 10^{10}\ km[/tex]
[tex]560,8\ dam\cdot \frac{1\ hm}{10\ dam} = \bf 56,08\ hm[/tex]
