Prefix Nano- means one-billionth (10-9)
Prefix Milli- means one-thousandth (10-3)
So there are 106 = 1 million nanometers in a millimeter
One.
One thousand.
one tenth of a milimeter
one milimeter has 0.1 centimeters.
There are 1,000 millimeters in one meter.
As many as you want.
2.08e^-11. One meter is 1000000000 nanometers
A milimeter is 1/10 of a centimeter. Therefore, one-tenth (1/10) of a centimeter equals a milimeter!
10,000,000 nm
One billion of them.
100
0.1 nm in one angstrom