$ raku -e 'my $r = 3602879701896397/36028797018963968; say $r.raku; say $r.raku == $r;'
0.1000000000000000055511151231257827021181583404541015625
True

##</code><code>##

$ perl -le 'printf "%.800g\n", 0.1'
0.1000000000000000055511151231257827021181583404541015625
$

##</code><code>##

$ raku -e 'printf "%.800g\n", 0.1e0'
NaN
$