It all depends...
What the pixel size of your keynote?
How is it going to be printed? Ink jet or a print shop.
If it's going to be printed by a printing shop 150 dpi is low rez.
What the pixel size of your keynote?
How is it going to be printed? Ink jet or a print shop.
If it's going to be printed by a printing shop 150 dpi is low rez.