Answer:

Step-by-step explanation:
= 3^1/2 x 3^1/5 = 3^(1/2 +1/5) = 3^7/10
The expression simplifies to x/y, so the answer is no, it is not a polynomial. The fact that a variable is in the denominator means it's not a polynomial.
Different regular shapes have certain formulas that you use to find their volume. For example
volume of a cube is Base x Width x height
Volume of cylinder is pie r^2 x h
etc...