The Wavelength of the Light from a Certain Laser Is

Multiple Choice

The wavelength of the light from a certain laser is 0.66 microns, Where 1 micron=1.0x10^-6m. What is this wavelength in nanometers? (1 nm = 10^-9m)

A) 6.6 × 10² nm
B) 6.6 × 10³ nm
C) 6.6 × 10¹ nm
D) 6.6 × 10⁴ nm