Aperson can pay $8 for a membership to the science museum and then go to the museum for just $1 per visit. what is the maximum number of visits a member of the science museum can for a total cost of 44$

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]