What is the anwser to the exspretion 342.36=9(0.07m+30.70+0.10(30.70))

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]

Afire department spend $900 to purchase a new helmets and gloves the amount included a 6% sales tax what was the price of the equipment to the nearest dollar before tax?

May someone me with these science questions