100 if u get this right ty have a nice day!

The trigonometric ratios sine and secant are reciprocals of each other

Rounded to the nearest tenth, what is the value of x

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]