A billion is the unitary number multiplied by 10 to the power of 9.
[tex]1\times10^9=1,000,000,000[/tex]
A thousand is the unitary number multiplied by 10 to the power of 3.
[tex]1\times10^3=1,000[/tex]
A thousandth is the unitary number divided by 10 to the third power.
[tex]\frac{1}{10^3}=0.001[/tex]
If we have two billions, we just need to multiply one billion by two
[tex]2\times1\times10^9=2,000,000,000[/tex]
Using the same argument for four hundred seventy-five thousand and one hundred fifty thousandths, we have
[tex]\begin{gathered} 475\times10^3=475,000 \\ \frac{150}{10^3}=0.150 \end{gathered}[/tex]
Adding all those numbers together, we have
[tex]2,000,000,000+475,000+0.150=2,000,475,000.150[/tex]
Our number is 2,000,475,000.150.