> As I understand it: in a sworn affidavit (in federal court no less) the norm is to state the tightest accurate floor.

All three of the numbers in the affidavit are nice round multiples of five billion dollars, so the simpler assumption might be they just rounded looser than you think? He also told the court they'd raised over $60 billion, when the precise number was actually $69.1B (as of Feb 12), so they would appear to have taken the 1 significant figure floor for the numbers in the court filing.