Answer:
5,480,000 = 5.48 x 10^6
[tex]\text{The scientific notation:}\\\\a\cdot10^k\ \text{where}\ 1\leq a<10\ \text{and}\ k\in\mathbb{Z}[/tex]
[tex]one\ million\ is\ 1,000,000=10^6\\\\5.48\ million\ is\ \boxed{5.48\cdot10^6}[/tex]