Why is order of operations important

Becouse it is the obly way to get the correct answer. PEMDAS or PERMDAS (depending on your age) is the only way ro answer multistep questions.

The order of operations is important because it tells you in which order to simplify operations and if you do not follow those rules, your answer will most likely be wrong.

The major difference is that a histogram is only used to plot the frequency of score occurrences in a continuous data set that has been divided into classes, called bins.  bar charts, on the other hand, can be used for a great deal of other types ofvariables  including  ordinal  andnominal  data sets.