The latest online craze is a new game, khan on seven. you get 100100100 points for playing the game. in addition, you get 505050 points for each seven-letter word you make with the ten letters you receive. sal wants to break the record, and he needs 18{,}00018,00018, comma, 000 or more points to do so. write an inequality to determine the number of seven-letter words, www, sal could make to break the record.

Ascientist places 24 cells in a petri dish. she knows the cells grow at an exponential rate, doubling in number every hour. how long will it take (in hours) for there to be 1100 cells in the dish? time to 1100 cells: 5.51832530 hours how long will it take to reach 110 cells? time to 110 cells : 2.1963972 hours what is the average rate of change in the number of cells between 9 hours and 11 hours? average rate of change: cells per hour what is the instantaneous rate of change after 7 hours? instantaneous rate of change: cells per hour note: you can earn partial credit on this problem.