Question

Which is the correct scientific notation of the number 0.000681?

Answer 1

In scientific notation", that number would be written as

                             6.81 x 10⁻⁴ .

Answer 2

Explanation :

Scientific notation is the form of writing a very large or very small number in a simplest way.

Any number in scientific notation is written in the following form :

$a\times 10^b$

Where,

a is the coefficient of real numbers

b is any integer

In the given question, the number is given as $0.000681$

So, in scientific notation it is written as $6.81\times 10^{-4}$

Hence, this is the required solution.