All accurately known digits and first doubtful digit in an expression are known as?
All accurately known digits and first doubtful digit in an expression are known as?
تمام درست معلوم ہندسے اور ایک اظہار میں پہلا مشکوک ہندسہ کس طرح جانا جاتا ہے؟
Explanation
Significant figures (also known as significant digits) are the number of digits in a measurement or calculation that are known to be reliable and accurate, including the first doubtful digit.
For example, the measurement "23.4 cm" has four significant figures, while "23.40 cm" has five significant figures.