Perform the following operation and express the answer in correct scientific notation: ( 9.2 × 10⁷/3.710⁹ )
a) ( 2.479 × 10⁻² )
b) ( 2.479 × 10⁻³ )
c) ( 2.479 × 10⁻⁴ )
d) ( 2.479 × 10⁻⁵ )