Question

if 0.1993/1000=1993*10raised -7power,then 199.3/10000=1993*.......

Answer 1

199.3/10000=1993*10^-5

Answer 2

$0.1993/1000=0.0001993=1993*10raised -7power(1e-7)$

so,

$199.3/10000=0..01993=1993*10raised -5power(1e-7)$