Assuming that the standard scanning electron microscope viewing screen is 10 ×10 cm 2 and based on 256 ×256 pixels, what magnification is required to resolve round particles with a radius of 10 nm?...

Assuming that the standard scanning electron microscope viewing screen is 10 ×10 cm²
and based on 256 ×256 pixels, what magnification is required to resolve round particles with a radius of 10 nm? (Assume that reasonable resolution is achieved when an image feature covers 3 × 3 pixels.