Question
Thu April 26, 2012 By: Swatisharma Anand
 

in rounding off numbers......ex i have number3285436 i have to round off up to 3 significant numbers so after rounding off it will be 328 ,my question is shall i look at 4th digit or first i look at 6 and so on....plz reply soon

Expert Reply
Thu April 26, 2012
The given number is 3285436.
This number can be rounded off to 3 significant digits as 3290000.
So, it is clear that to round off to 3 significant digits, just look at the fourth digit.
 
Following are some more examples:
The number 24314 can be rounded off to to 2 significant digits as 24000.
The number 839524 can be rounded off to 3 significant digits as 840,000.
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