If your Annotation Scale list disappears, like this:
All you have to do to get it back to this:
is click the down arrow button at the far right bottom corner of the screen:
And be sure that the Annotation Scale has a check mark by it.
It's as simple as that!
Notes from Cadalyst tip reviewer R.K. McSwain: A good tip with plenty of nice screenshots. So many things have been added and/or moved to the status bar that Autodesk decided to let us control what gets displayed there. If you're missing something that you think should be there, check the list as shown here.