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 195019501950 than in 190019001900?
Express your answer in scientific notation.
Year Approximate enrollment at the University of Michigan
185018501850 7.2 \cdot 10^17.2⋅10
1
7, point, 2, dot, 10, start superscript, 1, end superscript
190019001900 3.7 \cdot 10^33.7⋅10
3
3, point, 7, dot, 10, cubed
195019501950 2.7 \cdot 10^42.7⋅10
4
2, point, 7, dot, 10, start superscript, 4, end superscript
200020002000 3.8 \cdot 10^43.8⋅10
4