root of 2 and 3.3bar has how many significant figures?

Asked by Tushar Puranik | 26th Jul, 2013, 08:47: PM

Expert Answer:

Significant digits define the precision of measurement. 
 
1. For root(2), it is a non repeating non terminating decimal number. So, ideally, the number of significant digits would be infinite. However, if one will try to measure it, then one can approximate it as 1.414 and in that case, the number of significant digits would be 4. 
 
2. Similarly, 3.3 bar is a repeating non terminating decimal number. So, it will have infinite significant digits. However, if you will try measuring it using any instrument, it can be approximated as 3.3 and in that case, the number of significant digits would be 2. 

Answered by  | 27th Jul, 2013, 09:15: AM

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