When measuring speed of sound in air, speed of light = 4f(length of column of air + 0.3 * diameter of tube). Why is multiplied by 4?
Where does the 4 come from?​

Can someone explain to me how to do this problem ?

True or false when elements combine to form a mixture, the resulting chemical properties may be very different from those of the elements that make it.

This is really important 1.which of the following prefixes represents the largest value? (2 points)gigahectorkilomilli2.which of the following types of graphs is best for plotting the mean, median, and mode of data? (2 points)bar graphbox-and-whiskercircle graphstem-and-leaf