Question
Fri April 01, 2011 By: Rinku Gupta

what is exactally mean of exact number. in 3 x 3.456 there will be how many significant figure.here 3 is exact number or not explain

Expert Reply
Thu April 07, 2011
Sometimes numbers used in calculation are exact rather than approximate .
 In 3 x 3.456  there is one significant figure.
No here 3 is not exact number because the result has different significant figure.
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