I think the general rule is that in English the currency symbol for the primary currency goes in front of the number, while the symbol for a subunit (pence, cents, etc) goes after the number.
This isn't a case of slot machines where they got the logic for the house edge wrong. This is a case of double redeeming winnings because the machine would give you your winnings but not mark the ticket as redeemed.
A heating element is basically just a resistor, right? Which means if you run one on half the design voltage it'll draw half the current it's meant to and produce ¼ the power.
Except "hippo-" is from Greek and means "horse".