The mass of the rock of gibraltar is 1.78 x 10^12 kilograms. the mass of the antarctic iceberg is 4.55 x 10^13 kilograms. approximately how many more kilograms is the mass of the antarctic iceberg than the mass of the rock of gibraltar? show your steps and write your answer in scientific

If 10 men take 18 days to mow 60 acres of grass, how long will 15 men take to mow 80 acres?

At $1.32 million, they closed last month percent above what they paid in 2007." how much did they pay in 2007?

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.