Respuesta :

3 × [tex]10^{-3}[/tex]

expressing as a whole number, using the digits available, we obtain

3

Now consider the position of the decimal point in the original 0.003

To get it back to where it should be we require to move the decimal point 3 places to the left , denoted by a negative exponent

0.003 = 3 ×  [tex]10^{-3}[/tex]