Answer:
8.81 x 10⁶ nm.
Step-by-step explanation:
Remember that 1 m (meter) equals 1 x 10⁹ nm (nanometer), so if we state a rule of three based on this information and the given data:

The calculation will look like this:

The answer would be that 8.81 x 10⁻³ m equals 8.81 x 10⁶ nm.