Question

Substitute r=3 and h=5 into the formula V=piR^2h then evaluate

Answer 1

$V=\pi R^2h$

It's the formula of a volume of a cylinder :)

Put the values of r = 3 and h = 5 to the formula:

$V=\pi\cdot3^2\cdot5=\pi\cdot9\cdot5=45\pi$

Answer 2

To evaluate when plugging in numerical values for variables, simply put the numerical values in the place of the corresponding variables:

$V = \pi \cdot 3^2 \cdot 5$

$\boxed{V = 45\pi \approx 141.37}$