How many copyies of I-140 need to be submitted?

[gqxu1973]

Hi, all,
Could anyone tell me how many copies of I-140 need to be submitted for NIW or EB1A? Do I need to submit other forms, such as ETA 750 part B, G325, ER 750? Thanks.
John

 

[gwang]

one copy. you may use ETA750