PLEASE HELP! I WILL MARK BRAINLIEST

The volume of a cylinder is 72 tt cm3. if the radius is 3 cm, what is the height of the cylinder?

Time's up got my coins up, my bars up, soon we find 'em we gon' slide 'em, we lined 'em, straight reclined 'em pistol grip, i got all kinds of, i'm not your driver shot gon' hit him, he won't answer, i'm blowin’ ganja so much work, they call me old school, i remind ya that bisshhh you think you got is not you, where you find her? she a kickstand, a big fan, i get behind her then i slid it in, i win, i win, ayy

What is 7/81 as a percentage? round your answer to the nearest tenth of a percent.