I feel especially stupid today.
I have literally never seen a "()" symbols inside of numbers.
What the fuck is this math notation?
b e a r d
@LukeAlmighty it means you need to multiply it by the number to the left of it before you do anything else
@beardalaxy @LukeAlmighty He probably knows how that works. I think he means it's a number notation and not an equation, hence the x10⁻³⁵m
Since it's scientific notation, it might have something to do with the precision. You could include or drop the 18 and it wouldn't change the number by any reasonable fraction
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@applejack @beardalaxy
You could drop the 18...
Ok, now that makes literally no sense 
@LukeAlmighty @beardalaxy They're the least significant digits in the scientific notation. It could for example be to show a margin of error