f(L,K)=10L⁰.⁴ K⁰.⁶ gives the number of widgets produced using L hours of labor and K dollars of capital. Check: f(2,3)=25.50849001 Find the number of labor hours needed to produce 10,000 widgets if $6,427 of capital is used. Round your answer to 3 decimal places. Do NOT include units.