we know that
The diameter of a half dollar is equal to \(1.205\ inches\)
\(1.205=1+2*(0.1)+5*(0.001)\\1.205=1+0.2+0.005\)
so
The value of the \(5\) in the diameter is equal to \(0.005\)
and
\(0.005\) is equal to say \(5\ thousandths\)
therefore
the answer is
\(0.005\) or \(5\ thousandths\)