Respuesta :
D. 0.000391 is your answer because the decimal place moves 4 places to the left
Answer : The correct option is, (D) 0.000391
Answer : The correct option is, (D) 0.000391Explanation :
Scientific notation : It is defined as the way or representation of expressing the number that are too big or too small that is written in the decimal form.
That means always written in the power of 10 form.
For example : 700 is written as, [tex]7\times 10^2[/tex] As we are given that the value of Avogadro’s number is, [tex]3.91\times 10^{-4}[/tex]
This number is written in regular number as, 0.000391
Therefore, the correct option is, (D) 0.000391