What is the mean for the set of data?

What is the logarithmic function modeled by the following table? x f(x) 9 2 27 3 81 4

What is the quotient of m^6/5 ÷ 5/m^2? assume m does not equal pl

Afactory buys 10% of its components from suppliers b and the rest from supplier c. it is known that 6% of the components it buys are faulty. of the components brought from suppliers a,9% are faulty and of the components bought from suppliers b, 3% are faulty. find the percentage of components bought from supplier c that are faulty.