The virus that causes the flu has a width of 0.00000013 m. Write the width of the flu virus in scientific notation.

In trapezoid efgh, m∠gfe=63∘. identify m∠ghe. !

Name these type of angles shown check all that applies

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.