A weekly examination of the 49ers' ESPN.com Power Ranking:Preseason: 3 | Last Week: 9 | ESPN.com Power Ranking since 2002The San Francisco 49ers are a top-10 team. Could they be ranked higher? Perhaps, but it is not the end of the world to be ranked at No. 7.The convincing win at Washington was good for the team and moved them up two spots. The 49ers continued to dominate defensively and the offense showed much-needed spark.The 49ers were down in the dumps after back-to-back losses to quality teams, Carolina and New Orleans.