What 2.3090098 in scientific notation

The number of potato chips in a bag is normally distributed with a mean of 71 and a standard deviation of 2. approximately what percent of bags contain between 69 and 73 potato chips? approximately 68% approximately 71% approximately 95% approximately 99.7%

Which undefined geometric term is described as a location on a coordinate plane that is designed by an ordered pair (x,y) ?

Which is a graph of a proportional relationship?