Ascientist is working with 0.9 m of gold wire. how long is the wire in millimeters

900 a millimeter is 1000x a meter. So .9 x 100 = 900

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.