Riddle: How can you add 8 8's to make 1000?

Question

The digits 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 can be arranged into an addition sum to add up to almost any total, except that nobody has yet found a way to add up to 1984.
However 9 digits can equal 1984 by an addition sum.
Which digit is omitted?

Answer 1

8 8's can we added to make 1000:

  888
   88
    8
    8
    8
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 1000
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