John Mueller of Google said on a Google webmaster hangout at the 38:30 mark into yesterday’s hangout that Google uses the same algorithm to rank the first page results that it does for the other pages in their search results. He said the top ten results are ranked using the exact same algorithm as results 11 through 100.
John said “it’s the same algorithm,” when asked about if the algorithm is different between the top ten and the other results.
Here is the video embed where he talks about this: