Yes, thanks winnie - that's what I thought, but still don't think much of the clue, as cakes are pronounce cakes!! Still, it is fairly obvious otherwise. (100) Look up words for very large numbers, millions, billions, etc., especially unspecified ones, and then remember the rules of the competition! (73) Dickens is right, but just use the first word of the clue in connection with education! Come back if you still need more.