Respuesta :

3.994 x 10^10 since you move the decimal place 10 points 

Answer:

In scientific notation, the number 39,940,000,000 becomes [tex]3.994 * 10^{10}[/tex]

Explanation:

Scientific notation is a way to represent a long numerical value in a short form.

The standard way to represent a number in scientific notation form includes -

Some power of 10  multiplied by the initial number between 0 to 10

The given number is 39,940,000,000

This can be written as

[tex]= 3.994 * 10^{10}\\= 3.99 * 10^{10}[/tex]