4.A lab scientist is growing bacteria in a study. The population of bacteria cells is x cells, but after 2 hours the population is x2 cells. Two hours later the bacteria population is now x3 cells. If the population of the bacteria after these 4 hours is one million cells, what was the population at the start?

He ! a group of farmers planned to clean 80 acres of wheat per day to finish the work on schedule. right before the work started, they received a new piece of machinery that them clean 10 more acres per day than originally planned. as a result of increased productivity in the last day before the deadline they only had to clean 30 acres. how many acres of wheat did the group of farmers have to clean?