A cylinder has a base diameter of 16in and a height of 5in. What is its volume in cubic in, to the nearest tenths place?​

Ill mark the brainliest if you me with the these three questions 7,8,9

The figures below are made out of circles, semicircles, quarter circles, and a square. find the area and the perimeter of each figure and give your answers as a completely simplified exact value in terms of π (no approximations).

Which expression do you get when you eliminate the negative exponents of 4a^2 b^216a^-3 b