Respuesta :

4.0 x 10^-5 (power -5)

You start shifting the decimal point to the 4 , and count how many movements the point moved and in here it's 5.
Since you're moving to the right so the power will be for negative
There is 6 zeros. So:

[tex]\displaystyle 0,000004= \frac{4}{1000000} [/tex]