Question

I'll mark the best answer brainliest ​

Answer 1

The way to do this is......

$expression= 3*10^{3} +2*10^{2} +5*10^{-2} +7*10^{-3}$

= 3 *1000+2*100+5/100+7/1000

=3000+200+0.05+0.007

=3200.052