Help pls ^picture^
I really need this quick

Answer:
[tex]4.4*10^9[/tex]
Step-by-step explanation:
[tex]8.8(10^6)(5(10^2))\\=8800000*500\\=8.8*1000000*5*100\\=(8.8*5)*(1000000*100)\\=44*100000000\\=4400000000\\4400000000=4.4*10^9[/tex]