In 2000 Michigan had a population of 9,938,444. The number of people living in Michigan decreased by 0.6 % in 2010. What was Michigan approximate population in 2010???

Multiply .006 by 9,938,444. 
that gives you 59,630.664
subtract 59,630.664 from 9,938,444
that gives you 
9,878,813.336
Round to the nearest whole number
9,878,813 2010 Michigan approximate population