Convert the following numbers into scientific notation. ( i did them but I feel like they wrong can y’all correct them if they are?)

Answer:
only 4 is incorrect...
1,450,000 = 1.45 x [tex]10^{6}[/tex] NOT
1,450,000 = 1.45 x [tex]10^{7\\}[/tex]
Step-by-step explanation: