Please help me with this!

2×(4/5) = ___/5

Julia is going for a walk through the neighborhood. what unit of measure is most appropriate to describe the distance she walks?

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]

2,10,-50 next two numbers geometric sequence