#math trivia #99 solution

Burt Kaliski Jr. (@modulomathy)
4/8/12 9:32 PM
#math trivia for #April8: #99 is the last two-digit number this year. How many digits do the 366 days this year have overall?

Overall, the 366 day-numbers this year have 990 digits:

— 9 days have one digit — 9 total
— 90 have two — 180 more
— 267 have three — 801 more

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