Hans Blaster
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- Mar 11, 2017
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It is a matter of "significant digits". If you say (as the bible does) "10" and "30" with only one apparent digit of significance for each, "1" and "3", respectively, then it is correct within the precision given. If it said "10 cubits and not one finger more or less" (or like you just said "exactly 10 cubits") you are specifying that "10" is not a rounded number, but one with high precision. We usually write this with a decimal point placed after the number to indicate how much precision.Okay, let's deal with the scripture then.
What is the precise value of a cubic, and why is the diameter of the vessel must being10 cubits exactly and the circumference being 30 cubits exactly, a problem for skeptics?
If we wrote "10. cubits" then we claim to know the answer to within 1 cubit. If we write "10.0 cubits" we claim to know within 0.1 cubits.
For "10 cubits exactly" and "30 cubits exactly" it is *definitely* wrong since:
pi = circumference/diameter
this would claim that
pi = 30.0000000000... / 10.000000000... = 3.00000000...
which is definitely wrong.
If we are talking about 30.0 cubit diameter and 10.0 cubit diameter, we have three digits of precision, so
pi = 30.0/10.0 = 3.00
which is again definitely wrong.
Occasionally, when there is ambiguity about the precision of round numbers, it is useful to write them in scientific notation:
3. x 10^1 cubits and 1. x 10^1 cubits indicating the single digit of precision.
However with just one digit of precision as implied by the measurements of the "molten sea"
pi = 3. x 10^1 / 1. x 10^1 = 3.
which is pi to 1 digit of precision. Not particularly useful for any real work, but not wrong. There is nothing in that passage to indicate that the dimensions of the "molten sea" are given with more precision.
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