Respuesta :

Given:

[tex]5.6\text{ billion}[/tex]

Standard notation is define as :

[tex]10^x[/tex]

1 billion is:

[tex]1billion=10^9[/tex]

So 5.6 billion is:

[tex]\begin{gathered} 5.6\text{ billion =5.6}\times10^9 \\ =56\times10^8 \end{gathered}[/tex]