Enrichment Problem: $1,000,000 in Specific Denominations (1 of 2: Setup)

From a channel Lumen includes in full: Eddie Woo, an Australian high-school maths teacher, records his actual classroom lessons across algebra, trigonometry, calculus and proof, explaining the ideas with energy and care.

A 8-minute video from Eddie Woo's catalogue; the title names its topic.

Video by Eddie Woo, played through YouTube's embedded player.