413 ÷ 19
ive try so hard to solve this
note: theres a remainder

In simplified exponential notation, the expression a^2•a^-3•a 1/a 0

What is this inequality notation? t is less then or equal to 2

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.