It's easy when you know that the speed of light is approximately 3 times10^something meters per second. Then, you multiply the leading digits to get the number of seconds in a day. 6(0) seconds times 6(0) minutes gives 3.6 times 10^whatever, and you round this to 4 before the next multiplication, which is by 2(4) for the number of hours. So, there are about 8 times 10^whoknowswhat seconds in a day. Multiply this with the speed of light and you get 2.4 times 10^icouldntcareless for the final result. There's only one answer that's reasonably close.
Physicists are very lazy people.
npub145…x3wns
2026-09-25 15:10:04 UTC
in reply to nevent1q…6wgu
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"content": "It's easy when you know that the speed of light is approximately 3 times10^something meters per second. Then, you multiply the leading digits to get the number of seconds in a day. 6(0) seconds times 6(0) minutes gives 3.6 times 10^whatever, and you round this to 4 before the next multiplication, which is by 2(4) for the number of hours. So, there are about 8 times 10^whoknowswhat seconds in a day. Multiply this with the speed of light and you get 2.4 times 10^icouldntcareless for the final result. There's only one answer that's reasonably close.\n\nPhysicists are very lazy people.",
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