Suppose That N(t)= 100,000,000 · $2^{t / 10}$ Gives the Population of a Certain Country T Years After

Essay

Suppose that N(t)= 100,000,000 · $2^{t / 10}$
gives the population of a certain country t years after a census was taken.A historian has a collection of documents that are not dated, but do refer to the population of this country at several times.In order to help the historian date these documents, find the inverse function for the function N.Round to whole numbers.