What is The product of 2 x 104 cm and 4 x 1012 cm expressed in scientific notation?
If you mean: 2*104 times 4*1012 then it is 8*1016
It is: 5/515 = 1/103 which in scientific notation is 9.708737864*10^-3
If the exponent is not negative, then a number written in scientific notation is greater than or equal to 1.
It has 14 zeroes. 100,000,000,000,000. This is 100 trillion.
Why is scientific notation so important in modern day society?
Scientific notation is a way to represent very large or very small numbers.
Developments in science allow us to investigate the universe as well as the microcosm: both these involve very large and/or small numbers. Furthermore, outside of scientific there are numbers such as population counts, the value of international trade, the US budget deficit, China's currency surplus whose use is considerably simplified by using scientific notation.