Help plz been working on this for 2 days due TODAY. MARKING BRAINLIEST FOR CORRECT ANSWER No links and only answer if you are 100% sure about the answer.

An automated water dispenser fills packets with one liter of water on average, with a standard deviation of 5 milliliter. the manual says that after a year of operation the dispenser should be tested to see if it needs recalibration. a year later a number of filled packets are set aside and measured separately. it is found that the average packet now contains about 0.995 liters. does the dispenser need calibration? explain your answer.

100 points, hi, i’m not sure what to do here, the data doesn’t seem to be quadratic .? can anyone me, in advance

Is a positive integer raised to a negative power always positive