*10

[Colin_m]

what is 2x10-4cm converted to metres?

2x10-5 or 2x10-6?

Thanks

[berkeman]

multiply by this conversion factor:

1 = 1m/100cm

[mysqlpress]

it is better for you to familiar with these

cm=10^-2m
mm=10^-3m
um = 10^-6m
nm=10^-9m

It helps you when you calculate...

[Colin_m]

cheers