The micrometer (1 μm) is often called the micron. (a) How many microns make up

The micrometer (1 μm) is often called the micron. (a) How
many microns make up 1.0 km? (b) What fraction of a centimeter
equals 1.0 μm? (c) How many microns are in 1.0 yd?

microns