Subtracting Three Digit Numbers. How to subtract three digit numbers (for example 658 - 472). 1  Place one number above the other so that the hundreds', tens' and ones' places are lined up. 2  Draw a line under the bottom number.
A: In math, a pictogram or pictograph is the use of pictures or images to present data. To make a pictogram, a table of data is constructed with an accompanying key. An example of a pictograph is one that shows how many apples are eaten by student for lunch during a 5-day week.
1) General Understanding. A histogram is a graphical representation of the tonal values of your image. In other words, it shows the amount of tones of particular brightness found in your photograph ranging from black (0% brightness) to white (100% brightness).