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

Asked by rinku gupta | 1st Apr, 2011, 04:11: AM

Expert Answer:

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.

Answered by  | 7th Apr, 2011, 09:56: AM

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