What is the common ratio of the geometric sequence 16, 24, 36, 54, 1 8

This is different from the first one can someone me

What is the number 321,000,000 in scientific notation? also what is the number? ?

Tom is the deli manager at a grocery store. he needs to schedule employee to staff the deli department for no more that 260 person-hours per week. tom has one part-time employee who works 20 person-hours per week. each full-time employee works 40 person-hours per week. write and inequality to determine n, the number of full-time employees tom may schedule, so that his employees work on more than 260 person-hours per week. graph the solution set to this inequality.