1 fermi is equla to

1 fermi is equal to

1 fermi is equal to:

1 fermi is equal to

1 fermi is equal to

1 fermi is equal to

1 fermi is equal to

One Fermi is equal to 10^(-15) metre. The radius of a proton is 1.3 Fermis. Write the radius of a proton in metres in standard form.