The table shown below gives the approximate enrollment at the University of Michigan every fifty years.How many more students were enrolled at the University of Michigan in 1950 than in 1900 ?Express your answer in scientific notation.\begin{tabular}{cc} Year & Approximate enrollment at the University of Michigan \\\hline 1850 & 7.2⋅101 \\1900 & 3.7⋅103 \\1950 & 2.7⋅104 \\2000 & 3.8⋅104\end{tabular}