There are 1000000000 nanometres in one metre. There are 10 metres in one decametre. Therefore, one decametre is equal to 1000000000 x 10 = 10000000000 nanometres.
There is a decimetre and a decametre, but no decometre.
One kilometre is equal to 1000000000000 nanometres. Therefore, one nanometre is equal to 1/1000000000000 = 0.000000000001 kilometres.
A meter.
There are 10 metres in one decametre. Therefore, 200 metres is equal to 200/10 = 20 decametres.
There are 10 metres in one decametre. Therefore, 8 decametres is equal to 8 x 10 = 80 metres.
One decametre is equal to 10,000,000,000 nanometres.
There are 10 metres in a decametre.
There are 1000 centimetres in one decametre.
One decametre is equal to 10000 millimetres.
There are 100 decimetres in one decametre.
0.01 km = 1 decametre.
1000 nanometres = 1 micrometre.
There are 1000 nanometres in one millimetre.
15 nanometres is equal to 0.000000000015 kilometres.
There are 10,000,000 nanometres in one centimetre. Therefore, 475 nanometres is equal to 475/10000000 = 0.0000475 centimetres.
There are 1000 nanometres in one micrometre. Therefore, 50 nanometres is equal to 50/1000 = 0.05 micrometres.
There are 1000000 nanometres in one millimetre. Therefore, 100 nanometres is equal to 100/1000000 = 0.0001 millimetres.