9,3,1, 1/3, 1/ are the next three numbers of the pattern

Achemist 16 drop copper metal from copper chloride solution. the chemist place is 0.50 g of aluminum foil in a solution containing 0.75 g of copper (ii) chloride. a single replacement reaction takes place. which statement explains the maximum amount of copper that the chemist can extract using this reaction?

If an area has high air pressure and low humidity, what type of weather will it most likely have? plz !

Can someone me with 6 to 10 plz this is for masteries test.