Chemistry: Significant Figures!!!?

Gregory

New member
Which ones are false?
0)vWhen a calculation consists of several steps, retaining additional digits in intermediate results helps avoiding accumulation of round-off errors.
1) In addition, the number of significant figures in the result is determined by the measurement with the fewest significant figures.
2) In multiplication, the number of significant figures in the result is determined by the measurement with the most significant figures.
3) A good measurement is one in which all the digits in the number reported are certain.
4) In the statement 'There are 100 cm in 1 meter', the first number has three significant figures, the second has one.
 
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