In the Area of Nano-Chemistry,particles Defined as Nanoparticles Range in Size

Multiple Choice

In the area of nano-chemistry,particles defined as nanoparticles range in size from 1-2500 nm.1 nm is equivalent to 1 × 10^-9 m.If the size of the particles that make up a particular material is 1.23 × 10^-8 cm,what is this size in nanometers?

A) 12,300 nm
B) 1.23 nm
C) 0.123 nm
D) 1230 nm
E) 123 nm