Aperson casts a shadow 3 feet long. the building casts a shadow 15 feet long. the ratio of the petson's shadow to the building's shadow is to if the other side of the building is 10 feet tall, the person will be feet tall.

Can someone plz me understand how to do these. plz, show work. in exercises 1-4, rewrite the expression in rational exponent form.[tex]\sqrt[4]{625} \sqrt[3]{512} (\sqrt[5]{4} )³ (\sqrt[4]{15} )^{7}\\ (\sqrt[3]{27} )^{2}[/tex]