Question

rite an expression that represents the area of a circle with radius 3x^3. (For any circle with radius r, A = pi r^2 r times r

Answer 1

*write

Answer 2

Hi welcome to OPEnstudy!

from the area formula substitute r=3x^3 then simplify
like this: \(A= \pi r^2 =\pi (3x^3)^2\) then apply the power rule to simplify..
what will you get?

Answer 3

\((x^m)^n=x^{mn}\)