Significant figure:
Today i am going to provide revision notes on significant figure..which is very significant as the exam point of view...If you have any query related to significant figure write me on comment box,we feel happy to help you...
All non zero digits are significant figure.
e.g. 2.782 - 4 significant figure.
2.36 - 3 significant figure.
* All zero between two non zero digits are significant.
e.g. 2.3008- 5 significant. figure.
209 - 3 significant. figure.
* If measurement number less than 1 the zero on the right of decimal point and to the left of first non zero digit is non significant figure..this point gets more clear with example..
e.g. 0.00807 -3 significant. figure
0.008 - 1 significant. figure.
* Trailing zero without decimal point are not significant.
e.g. 1230 - 3 s.f.
12300 - 3 s.f.
* Trailing zero with decimal point are significant .
e.g. 12.30-4 s.f.
3.800-4 s.f.
you also visit to lecture2: Error analysis part 2if you like to read story ,you can also visit to read