Standard Form or Scientific Notation

Many measurements involve very large numbers

 Example:  speed of light is 300000000 m/s.

This figures can easily b written as:

3.0 x 10⁸  (Correct to 2 significant figures)

This way of writing a numbers is called standard form or scientific notation.

Another example can be the wavelength of violet light which is 0.000038cm.

It can be written as:

3.8 x 10^-5 (Correct to 2 significant figure)

So a general rule for all figure in written in standard form or scientific notation is:

     A x 10ⁿ , Where 1≤ A ≤ 10 and n is an integer

                                                              By: Sir Baqir