Posted by bobby on Monday, December 28, 2009 at 7:11am.
Yes, 1 nm = 0.000000001 m
As far as I know, all of the above are standard or normal form, using nm as the unit.
Here are some common metric prefixes, symbols and the corresponding multiplicative factors that may help you:
tera (t)- 1,000,000,000
mega (m) - 1,000,000
kilo (k) - 1,000
milli (m) - 1/1,000
micro (μ) - 1/1,000,000
nano (n) - 1/1,000,000,000
For example,
1 ns = 0.000 000 001 second
1 mm = 0.001 metre
1 mb = 1,000,000 bytes
(note: sometimes mb is used to mean 1,048,576 bytes, equal to 220 bytes).
for the last two questions i meant decimal form, im so confused
You probably meant in "decimal metres".
565 nm = 0.000 000 565 metre
Notice that I have used a "space" as a digital group separator. Depending on the context, a comma is more commonly used in U.S. while the space is recommended by the ISO.
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