Kenvin moved from city to a small town. the population of the city is 6 times 10 to the power of 5 which is about 15 times as great as the small town. which expression could be represented the approximate population of the small town

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.