Explain and demonstrate the multiplication of complex conjugates using 2 3i and its complex conjugate. Be sure to discuss all steps of the process, including the solution and to which number set it belongs.

Which expression is equivalent to (3^2)^-2 a.-81 b.-12 c.1/81 d.1/12

Select the two pairs of figures that are similar.

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.