Abiologist determined that the quantity of bacteria in a petri dish decreases by half every day of the study. if there were 8 g of bacteria at the beginning of the study, how many grams will be left after 3.5 days. round to the nearest hundredth

The bottom of ignacio's desktop is 74.5cm from the floor. ignacios sits in his adjustable chair, and the tops of his legs are 49.3cm from the floor. each clockwise rotation of the knob on the chair raises ignacio's legs by 4.8cm. write an inequality to determine the number of clockwise rotations, r, ignacio could make with the knob without his legs touching the desk.