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Proof challenge

Uptime Math

Work out how much downtime per year 99%, 99.9% and 99.99% uptime allow, and post your calculations.

How it works

  1. Join the challenge.
  2. Do the work, then post a public https link or a short write-up as proof.
  3. An entry completes when it's approved or reaches 5 votes from other players. You earn +250 XP and the Finisher badge.

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Entries