Astronauts measure large distance to light-years one light year is the distance that like in travel in one year or approximately 588000-0000000 miles if the store is 10.6 lines years from earth which expression in scientific notation correctly represents how far the star is from earth Can anyone please help me

Ashley recently opened a store that sells only natural ingredients. she wants to advertise her products by distributing bags of samples in her neighborhood. it takes one person 22 minutes to prepare one bag. how many hours will it take to prepare 900900 bags of samples if ashley and 55 of her friends do the work?