There are 6.02 x 10`23 molecules of water in 18 grams of water (to 3 s. f.) how many molecules are there in one gram of water? give your answer in scientific notation to 2 significant figures (s. can you show full workings. many

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.