0.628

0.627

0.63

0.630

0.04

0.0351

0.0350

0.040

$5.204\ \times\ 10^3$

$5.204\ \times\ 10^{-3}$

$5.204\ \times10^2$

$5.204\ \times10^{-2}$

$5.6\ \times\ 10^3$

$5.6\ \times\ 10^{-3}$

$5.6\ \times\ 10^4$

$5.6\ \times\ 10^{-4}$

7502

750200

0.007502

0.0007502

 $523000$  

 $52300$  

 $5230$  

 $523$