Posted by Anonymous on .
2.089 in expanded form?

math 
drwls,
The "expanded form" method writing a number is explained here:
http://www.icoachmath.com/sitemap/expandedform.html
2.089 is: 2 times 1
plus 0 times 1/10 (which you can omit, since it is zero),
plus 8 times 1/100
plus 9 times 1/1000