Luke Skywalker: Hmmm in this things i'm almost always correct...........:-)
But as i see now i'm not correct or incorrect as NIST hasn't defined clearly what is happening with "prefix"-units.
Walter: I don't said that because you have used "and" instead of "+" but because you hadn't used ( ) between the numbers.
It's wrong to say this is 5 and 1/2 meter tall.
The correct is (5 and 1/2) meter tall.
Because in the first case the meter goes to the 1/2 ONLY while 5 remains a single number and not a unit of length.........
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