The Number of Angstroms (1 Angstrom = 10^-10 M) in 5

Multiple Choice

The number of angstroms (1 angstrom = 10^-10 m) in 5 fermi (1 fermi = 10^-15 m) is

A) 5 $\times$ 10^-5.
B) 5 $\times$ 10^-4.
C) 2 $\times$ 10^-5.
D) 2 $\times$ 10⁺⁴.
E) 5 $\times$ 10⁺⁵.