Respuesta :

1 kilogram
1 * 10^3 gram

1 microgram
1 * 10^-3 gram

1 kilogram / 1 microgram
10^3 / 10^-3
10^6

JoeBucannon's answer is in fact false, you cant really do that formula to find the answer, check it through a conversion calulator and you will find that 1.000000e+9µg is your answer.

(I really also dont wanna waste your time so 1.000000e+9µg = 10^9)