Solve 27 * 9

help and explain this to me! im in 6th grade so dont make it to hard

What is the value of the expression below? (81^2)^1/8

Write 5(6x+4)-2(5x-2) in the form a(bx+c) where a, b and c integers and a> 1

Which best describes a central bank's primary goals? limiting inflation and reducing unemployment reducing unemployment and maintaining cash flow controlling stagflation and reducing unemployment managing credit and ensuring the money supply's liquidity