Tom johnson has $600 in his savings account earning 5 3/4% annual interest. after 12 months, and using the simple interest method, what amount of interest will he have earned?

Estimate each quotient. show the compatible numbers you use. 0.00438 ÷ 0.00072

Will give brainliest what is the value of x? enter your answer in the box.

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.