alleryWhat does the number of decimal places given in a measurement usually indicate?
AThe unit used
BIts precision
CIts sign
DIts colour
Answer & Solution
Correct answer: B. Its precision
1. A mass given as 1.32 mg claims more detail than one given as 1.3 mg.
2. The number of decimal places gives an indication of precision.
3. It does not tell the unit or the sign.
_Source: Wikipedia, Decimal, lead section_
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