Which shows the following expression after the negative exponents have been eliminated? StartFraction x y Superscript negative 6 Baseline Over y squared x Superscript 6 Baseline y Superscript 6 Baseline EndFraction, x not-equals 0, y not-equals 0

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.