In mathematics, the Laplace transform is an integral transform named after its inventor Pierre-Simon Laplace. It transforms a function of a real variable t to a function of a complex variable s.
The 7 in 506,087 is in the ones place.
1.75 or 7/4 as a fraction
7526.44 because you look at the thousanth place (the 2) and since it is less than 5 you round down