Adollhouse has a bed with dimensions 1/12 the size of a queen-size bed. a queen-size bed has an area of 4,800 square inches, and a length of 80 inches. what are the side lengths of the dollhouse bed?

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]