5 upvotes, 3 direct replies (showing 3)
View submission: What-If 84: Paint the Earth
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Comment by Yoshi29pi at 18/02/2014 at 22:51 UTC
12 upvotes, 1 direct replies
I'm pretty sure it's because you round the exponent; 10^5.4 would round down to 10^(5), while 10^5.6 would round up to 10^(6). 10^.5 is about equal to 3.16, so 3 rounds down and 4 rounds up.
Comment by docmurdoc at 18/02/2014 at 23:00 UTC
7 upvotes, 1 direct replies
He says (under Citation 1) that in Fermi Estimation 3 rounds to 1 and 4 rounds to 10.
Comment by another_user_name at 18/02/2014 at 22:50 UTC
4 upvotes, 1 direct replies
Or does he have 5 limbs?