Because 7 8 9.
BECAUSE SEVEN ATE NINE *drops mic*
Dads joke) The same reason 10 pennies is worth more than 9.
Because, 7 8 9...
Because cot(0) doesn't exist... This joke... it burns my eyes...
You take it to the Moo-seum. I know this joke is terrible, but I totally came up with it on my own, but I'm sure it exists already.