A human hair is approximately 50 µm in diameter. Express this diameter in meters.
2. If a radio wave has a period of 1 µs, what is the wave’s period in seconds?
3. A hydrogen atom has a diameter of about 10 nm.
a. Express this diameter in meters.
b. Express this diameter in millimeters.
c. Express this diameter in micrometers.
4. The distance between the sun and Earth is about 1.5 × 10^11 m. Express this distance in kilometers.
5. The average mass of an automobile in the United States is about 1.440 × 10^6 g. Express this mass in kilograms.
6. Express the following measurements as indicated.
a. 6.20 mg in kilograms
b. 3 × 10^−9 s in milliseconds
c. 88.0 km in meters
