3 kilometers=3,000,000,000 micrometers
6.7 * 10-9 km
6.0 * 10^-6 m
6 * 10^9
In a kilometre, there are 1,000,000,000 microns
.0000325 = 3.25 x 10-5
17,075,270,000,000,000,000,000,000 micrometers
25,400 micrometers
6000 micrometers
750000 micrometers.
50000 micrometers
730 micrometers